题目
题型:同步题难度:来源:
Although they don"t have hands, they can solve problems by using tools, just like us. There is no evidence
that dolphins have a language of their own, but they can understand many sign languages. They can always
give quite correct and quick responds. Amazing, isn"t it? Dolphins live in a very different world, but they
can do our "intelligent (智力) tests" easily. Are you interested? Please go and see by yourself.
Dolphins are interesting animals and researchers find them are very smart. They 1_____ (have) no hands,
but can use tools 2_____ (solve) problems, just like us. There is no evidence that dolphins have a language
of their own, but they can 3_____ (understand) many sign languages. They are always 4_____ (give) quite
correct and quick responds. Dolphins live in a very different world, but they are good at 5_____ (do) our
"intelligent tests".
答案
核心考点
试题【读短文,用所给动词的适当形式填空。 Have you seen dolphins? Dolphins are interesting animals.】;主要考察你对教育文化类等知识点的理解。[详细]
举一反三
may be the reason. They have come up with lots of ideas to explain the end of the dinosaurs.
The most famous one is the minor planet (小行星) idea. Everything Was OK before a large minor planet
suddenly hit the earth. What a terrible hit! It caused big fires, storms, acid rain, and even earthquakes and
volcano eruptions. The hit produced a lot of dust, which flew up into the air and blocked the sun for months.
The earth became very cold without sunlight. The plants died first. Then the grass-eating animals died of
hunger. Then the meat-eating animals could not find food either. They began to eat each other, but after a
while they died out too. The dinosaurs, either plant-eaters or meat-eaters, did not live through the disaster (灾
难). What a sad story!
In April, a British scientist thought of a new idea about the death of the dinosaurs. He thinks that after the
minor planet hit the earth, the temperature change left more dinosaur boys than girls! Without enough female
dinosaurs to hatch (孵) the eggs, the dinosaur population be-came smaller and smaller.
B. Big fires
C. Temperature change
B. three
C. four
B. one kind of dinosaurs
C. one kind of disaster
B. the dust kept the sunlight away
C. there"s too much rain
B. a science magazine
C. a story book
our own language well when we were children. If we could learn English in the same way, it would not seem
so difficult. Think of what a small child does. He listens to what people say. He tries what he hears.
So it is hard to say that learning English is easy. We must do a lot of practice. And practice needs great
effort and takes much time. Good teachers, records, tapes, books, and dictionaries will be helpful, but they
cannot do the student"s work for him.
It 1_____ (seem) easy to learn our mother tongue. Why is that? It is only because we learned our tongue
when we were little. We 2_____ (listen) what the others said. And tried 3_____ (do) what we heard. We now
4_____ (not have) enough time for the language study. So 5_____ (learn) English isn"t very easy.
Colors are really made by deflected (反射) light. We see color because most of the things reflect light.
In the same way, if something is green, it reflects most of the green light. If something reflects all light,
it is white. If it doesn"t reflect any light, it is black. Some of the light is reflected and some is taken in
(吸引) and turned into (变成) heat (热能). The darker the color is, the less light is reflected, the more
light is taken in. So dark-colored clothes are warmer in the sun than light-colored clothes.
B. see its heat
C. not see its color
B. no light
C. all light
B. less light
C. more color
A. dark-colored clothes
B. red-colored clothes
C. light-colored clothes
B. Color
C. Clothes
birds. When they see birds fly high (高的) out to the sea. they know it is a nice day, because birds don"t
like to fly out when it will rain. When the weather will be bad, the birds come back to the beach. A big
wind may come with a rain. Birds do not like to fly in a big wind. They may sit in a tree when rain is
coming. Other animals can also tell the weather. It"s a cloudy day. The rain is coming. Chickens aren"t
quiet, and they are running here and there. Frogs (青蛙) are making big noises in the pool. If it is a nice
day, the frogs will come out of the water.
B. Birds.
C. Sea.
D. Rain.
B. Two.
C. Three.
D. Four.
B. come back to the beach
C. play on the beach
D. sit in a tree
4. When there is rain, frogs are not ____.
B. out of the water
C. making big noises
D. swimming in the water
B. 判断
C. 说
D. 谈话
We have a twenty-minute break (休息) between classes. Look! Some students are in the playground.
They are having a basketball match .A boy is running with a ball and another is trying to stop him. They
are so cool. Some girls are watching the match. Some students are in the classroom. They are talking
with each other. A few of them are reading English and doing their homework. A girl is looking at the
birds in a tree outside the classroom. She must be thinking of something interesting because she looks
very happy.
What are the teachers doing now? In the office, some of them are preparing for the next class, and
some are talking with their students. Everyone is busy with his or her things. They are all good teachers.
B. teachers
C. a basketball match
D. the break time between classes
B. Ten minutes.
C. Twelve minutes.
D. Fifteen minutes.
B. in the office
C. in the playground
D. in the library
B. having a basketball match
C. reading newspapers
D. playing with their students
B. There is only one bird in the tree outside the classroom.
C. You can"t see any students in the classroom.
D. The teachers are all very busy.
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