题目
题型:不详难度:来源:
Watercress sandwiches were traditionally a breakfast item in nineteenth-century Europe. The most basic type of watercress sandwich has two pieces of white bread with a mixture of butter and watercress greens . A nickname(绰号)for the vegetable, in fact, was “poor man’s bread”, because watercress was often eaten on its own for breakfast by families that could not afford the bread to go with it.
Watercress is a member of the mustard(芥菜) family. It contains vitamins C(66mg per 100g), K and A, and is also a valuable source of minerals such as iron, potassium, copper and calcium. The mustard oils in its silky leaves and stems(茎)contain an ingredient known as PEITC. Recent research has proved that PEITC can prevent the growth of cancer cells and, in some cases, actually destroy them.
The best watercress has silky green leaves without any marks and has undamaged stems, The older the plant, the darker are its leaves and the thicker its stems. This means a higher concentration of oils and vitamins. Young watercress, on the other hand, may be harvested after only twenty-eight days growth and has a milder taste. It is best to eat watercress fresh and raw , to keep more of its valuable nutrients, but it can be lightly cooked and used as an alternative to spinach—another dark green vegetable—in various recipes. From soups to salads, watercress is now considered around the world as a natural and healthy super food.
小题1:From paragraph 1, we can learn that________.
A.watercress is usually grown in wet areas |
B.the ancient Greeks only used watercress for medicine |
C.watercress is the most ancient vegetable known to man |
D.the Romans rubbed watercress on their heads to cure baldness |
A.butter | B.watercress | C.breakfast | D.bread |
A.It belongs to the same family as spinach.
B.It contains mustard oils only in leaves.
C.It can help guard against cancer.
D.It is rich in vitamins C and B.
小题4:Compared with older watercress, young watercress .
A.has lighter green leaves |
B.contains more minerals |
C.is better for medical use |
D.is more suitable for eating raw |
A.The history of watercress | B.watrcress, a medicinal plant |
C.Watercress, the amazing food | D.New findings about watercress |
答案
小题1:A
小题2:B
小题3:C
小题4:A
小题5:C
解析
试题分析:
【文章大意】本文是一篇说明文。文章介绍了西洋芹这种植物,它既可以当食物吃,又有药的疗效。
小题1:A考查推理判断。根据文章第一段中的Hippocrates, “the father of medicine”, was so convinced that watercress was a great healer that he built his first hospital next to a stream so that he could grow a plentiful supply of the shiny green leaves for his patients.可知,西洋芹生长在潮湿的地方,因为Hippocrates把他的医院建在小溪旁边,为了种植西洋芹。由此推知A正确。
小题2:B考查代词的指代。根据文章第二段中的because watercress was often eaten on its own for breakfast by families that could not afford the bread to go with it.可知,it指代前面的watercress。故选B。
小题3:C考查细节理解。根据文章第三段中的The mustard oils in its silky leaves and stems(茎)contain an ingredient known as PEITC. Recent research has proved that PEITC can prevent the growth of cancer cells and, in some cases, actually destroy them.可知,西洋芹有抗癌作用。故选C。
小题4:A考查推理判断。根据文章第四段中的The older the plant, the darker are its leaves and the thicker its stems.可知,西洋芹生长的越久,叶子的颜色就越深。由此推知生长日期少的颜色就浅。故选A。
小题5:C考查文章的标题。根据文章整体内容可知,文章介绍了西洋芹是一种既可以当食物用有可以起到药的作用的植物。所以它是一种神奇的食物。故选C。
核心考点
试题【Watercress is positively packed with healthy vitamins and minerals. The writings】;主要考察你对题材分类等知识点的理解。[详细]
举一反三
Many families have recently bought a new TV set, and the idea of changing it just to take advantage of a technology in its infancy(初期)will put many people off the idea. Then there are the additional costs that come along with a 3Dset from needing to get a Blu-ray player that can process the signal to purchasing enough glasses for the entire family to be able to watch a program at the same time.
Another issue is that the glasses are expensive as well as complicated, and have also been known to cause headaches, none of which makes for a pleasant experience.
While manufacturers are working towards glasses-free technology, it just isn’t here yet, and it could be several years before it is commercially successful. That is one of main things that will keep 3D completely in the “fashion” zone for the time being . If the television manufacturers are willing to hold onto the idea until glasses-free choices are available—and they can reach a higher installed(安装)user base—this might very well catch on. Everyone needs to remember, however, that these are businesses, and they are in it to make money. If 3D isn’t selling at the rate they are comfortable with, then they will dump it and move on to the next thing.
Many homes are filled with products that didn’t catch on rapidly and companies ended up leaving them with no support. Do you have an HD DVD player? Remember how the MiniDisc was supposed to replace the CD? For now, it’s easy to see how 3D televisions could join this list of technologies.
There is one upside to the 3D television problem: They have beautiful 2D images. Even if 3D goes away, you still have a great –looking screen and beautiful images. If you are in the market for a new TV and you can afford to drop the couple extra hundred dollars to buy one, you can view it as guaranteeing your purchase in case the technology proves to be effective.
小题1:We know from the text that 3D TV .
A.is easy to operate |
B.has been fully developed |
C.has many products attached to it |
D.has already replaced normal TV sets |
A.3D is fashionable and expensive. |
B.It’s hard for 3D to be commercially successful. |
C.Television manufacturers’ only purpose is to make money. |
D.It’s impossible to create glasses-free technology at the moment. |
A.they are not necessary |
B.they are bound to be replaced |
C.3D TV might not be here to stay |
D.3D technology needs improving |
A.solution | B.exception | C.character | D.benefit |
A.He is critical of it.
B. He thinks highly of it.
C.It is more effective than expected.
D. It has more beautiful images than 2D.
Although most people feel that their lives would be by going back to school for further study, some people find that their busy schedules would make this . However, with the rise of technology like the , it is now easier than ever to continue feeding your mind without obligations like family and work. This is due to the rise of online education options.
Online education is a subset of what is known as electronic learning or e-learning. All that you need to successfully use online education is to a computer that has an internet . There are so many online education options, it is quite common for colleges to online education courses to assist people who are in distance education.
The main of online education is that it allows you to at your own pace and on your own time. Depending on the nature of the courses, online education will provide you with a certain time for you to compete it .
One of the biggest of online education is that it does not provide you with the face-to-face interaction with a teacher. But you can with other students through the use of discussion boards, messaging programs, and web-conferencing programs.
As people become busier, online education has in popularity. It has greatly improved the number of services it provides and is considered a great education option. So if you are busy but your mind is still more of a challenge, you may find that online education is the perfect food for your mind!
小题1: |
|
小题2: |
|
小题3: |
|
小题4: |
|
小题5: |
|
小题6: |
|
小题7: |
|
小题8: |
|
小题9: |
|
小题10: |
|
小题11: |
|
小题12: |
|
小题13: |
|
小题14: |
|
小题15: |
|
小题16: |
|
小题17: |
|
小题18: |
|
小题19: |
|
小题20: |
|
An analysis is issued on a sample of data from a Texas school district. Experts argue convincingly that teacher effectiveness should be measured by students’ gains on standardized tests: Mr. Smith is probably a better teacher than Ms. Brown if his students consistently improve their test scores more than hers do.
Though this approach is appealing, there are tricky issues. For example, what if Ms. Brown teaches in a school where students score so high there is little room for improvement?
The authors try to correct for this problem, as well as other sorts of measurement issues, to generate a measurement of teacher effectiveness. The paper is primarily concerned with how this measure is related to other observable characteristics.
The first finding is that there is a large variation in teacher effectiveness: some teachers consistently have a larger impact on their students’ achievement than others.
Second, easily observable characteristics like having a master’s degree or a passing score on the teacher certification exam are not correlated关联 with teacher effectiveness.
Then what does matter? The most important single influence is experience: first-year teachers are much less effective than others. The second year is significantly better, and by the fourth year, most teachers hit their stride.
It is not entirely clear whether this experience effect is learning by doing (the more you teach, the more effective you become) or survival of the fittest (those who are not good at teaching tend to drop out early.)
From my reading of the paper, both effects appear important and there is no simple answer. The data do suggest, however, that teacher effectiveness is pretty clear by the end of the second year, so the information to make an informed decision is available at that time.
The authors also investigate the contentious 有争议的issue of racial matching of students and teachers. Here they find strong evidence that minority teachers tend to be more effective with minority students. Again, it is unclear whether this is because of a role model effect (students respond better to a teacher of their own race) or an empathy effect 移情效应(teachers empathize better with students of their own race) or something else entirely.
The authors also look at teacher mobility. There is some evidence that teachers who quit teaching or switch schools tend to be below average in effectiveness. This is consistent with the survival-of-the-fittest model.
小题1:The schoolmaster could decide wisely whether to further employ the teacher by the end of the ______.
A.the first year | B.the second year | C.the third year | D.the fourth year |
A.reach their normal level | B.become confident |
C.walk with long steps | D.get bored |
A.teachers will perform better with time passing |
B.ineffective teachers should leave earlier rather than later |
C.teacher’s effectiveness is apparent after a couple of years |
D.a master’s degree will improve teacher’s effectiveness |
A.Students fell secure, so they respond better. |
B.Teachers sympathize with students of their own race. |
C.There are entirely some other identified reasons. |
D.The reasons are far from clear and definite. |
A.The Quality of Teaching |
B.Impact of Teacher Quality on Student Learning |
C.Different Sorts of Measurement Issues |
D.Survival-of-the-fittest Model vs. Learning-by-doing Model |
Boys, for example, generally are better than girls at mathematical ideas. Boys also generally are better than girls at the kind of hand and eye movements necessary for ball sports. Girls, on the other hand generally start speaking earlier than boys. And they generally see better in the dark than boys and are better at learning foreign languages.
What makes men and women better at one thing or another? The answer is the brain. The brain has two sides connected by nerve(神经) tracks. The left side generally is used for mathematics, speech and writing. The right side is used for artistic creation(创造) and the expression for emotions(情感). In men and women, different areas in each side of the brain develop differently. In boys, for example, it’s the area used for mathematics. In girls, it is the area used for language skills. Another interesting difference is that the two sides of a man’s brain are connected by a smaller number of nerves than the two sides of a woman’s brain are.
小题1:Which of the following is the best title of the article?
A.Research on the Brain |
B.Men and Women are Different in Brain |
C.People’s Different Brains |
D.Who Are Better, Boys or Girls |
A.The different brains make |
B.Sex makes |
C.The different experiences make |
D.The influences(影响) of society make |
A.mathematics | B.physics | C.English | D.chemistry |
A.The left side of brain in boys generally develops better than that in girls. |
B.The left side of brain in girls generally develops better than that in boys. |
C.Men are better than women in all things. |
D.The area in girls used for language skills develops better. |
A.is the same as women’s |
B.is different from women’s |
C.is larger than women’s |
D.is twice as large as women’s |
First, any habit which slows down your silent reading to the speed at which you speak or read aloud, is inefficient. If you point to each word as you read, or move your head, or form the words with your lips, you read poorly. Less obvious habits also hold back reading efficiency (效率). One is "saying" each word silently by moving your tongue or throat; another is "hearing" each word as you read.
These are habits which should have been outgrown long ago. The beginning reader is learning how letters can make words, how written words are pronounced, and how sentences are put together. Your reading purpose is quite different, which is to understand meaning.
It has been supposed that up to 75% of the words in English sentences are not really necessary for expressing the meaning. The secret of silent reading is to find out those key words and phrases which carry the thought, and to pay less attention to words which exist only for grammatical completeness.
An efficient reader can grasp the meaning from a page at least twice as fast as he can read the page aloud. He takes in a whole phrase or thought unit at a time. If he “says" or "hears" words to himself, they are selected ones, said for emphasis.
小题1:This passage is mainly about ______.
A.improving eye movement |
B.reading more widely |
C.changing poor reading habits |
D.reading as fast as you can |
A.improves comprehension |
B.increases reading speed |
C.gives too much emphasis |
D.reduces reading efficiency |
A.to understand all the words |
B.to make fewer eye movements |
C.to understand meaning |
D.to understand the grammatical structures |
A.move their eyes quickly |
B.take in whole phrases or thought units |
C.point at key words |
D.read only important points for speed |
最新试题
- 1科学家观测研究表明,近30年来我国沿海海平面总体上升了9厘米,但沿海各省、市、自治区海平面的上升幅度并不相同。读图完成小
- 2在“用单摆测量重力加速度”的实验中,某同学进行了如下测量:①用刻度尺测出摆线长为;②用游标卡尺测出摆球的直径为;③用天平
- 3绩效工资为额外奖励,由政府出钱。对政府而言,这笔钱[ ] A.属于财政收入B.属于财政支出 C.源于财政预算D.
- 4下列实验中用错试剂的是( )A.用稀盐酸洗去残留在试管壁上的铜B.用碱石灰吸收氨气中的水蒸气C.用稀盐酸清洗做焰色反应
- 5历史见证了大国的兴衰。材料一:“大不列颠的确是各国中最适合于商业的国家,这是由于它的政体的自由和优越性所致。”材料二:1
- 62009年10月13日,国家税务总局公布了上半年查处的10起重大涉税违法案件,主要涉及变造、虚开增值税发票、偷税、骗取出
- 7下列物质中,不能被人体消化道直接吸收的是( )A.维生素B.无机盐C.麦芽糖D.氨基酸
- 8“食品安全是大事.”下列做法中,有益于人体健康的是( )A.为了***菌和保鲜,用甲醛溶液浸泡海产品B.熬骨头汤时,加入少
- 9地面上有一个质量为M的重物,用力F向上提它,力F的变化将引起物体加速度的变化.已知物体的加速度a随力F变化的函数图象如图
- 10目前,人们把海洋和陆地划分为七大洲和四大洋。 根据下图,我们与不同地区的朋友来解答几个问 题。(1)安琪生活在_____
热门考点
- 1小题1:关于两个三角洲自然地理状况的叙述,正确的是 ( )A.两地区全年盛行西南风B.两地区气候形成原因相同
- 2— How about ______ in the river with us? — Sorry I can"t. My
- 3【题文】下图是沿38度纬线绘制的某月平均气温曲线图。读图,回答下列问题。【小题1】该月平均气温曲线,图中①地气温低于附近
- 4若a、b互为相反数,c、d互为倒数,且|c|=-(-1),求c2+2cd-a+b2c的值.
- 5从20世纪60年代开始,台湾重点发展了__ _____工业。形成了“_________
- 6今年是中国共产党成立90周年。90年来,无数个共产党人的光辉形象映红了党旗, 张雅琴就是其中之一。张雅琴是丹阳的一名普通
- 7在新的班级里,有那么多新的面孔,慢慢地彼此就成了好朋友。每个人都需要朋友,这是因为A.友情能使我们的生活充满快乐,有助于
- 8对和平的向往和追求是人类永恒的主题。阅读下列材料,结合所学知识回答问题。材料一 康德把人类社会划分成两个阵营:一边是普
- 9在学校组织的文艺晚会上,掷飞标文艺区游戏规则如下:如图掷到A区和B区的得分不同,A区为小圆内部分,B区为大圆内小圆外的部
- 10十月革命开辟了俄国历史发展的新纪元,把俄国带入一个新的历史发展阶段,表现在( )①革命后苏维埃组织掌握国家政权②无产阶