题目
题型:天津高考真题难度:来源:
A. had discovered
B. had been discovered
C. has discovered
D. has been discovered
答案
核心考点
试题【If Newton lived today, he would be surprised by what ____ in science and technol】;主要考察你对被动语态等知识点的理解。[详细]
举一反三
B. haven"t decided
C. isn"t being decided
D. aren"t decided
A. discovered
B. have discovered
C. had been discovered
D. have been discovered
B. will change
C. was changed
D. has been changed
A. have run
B. have been run
C. had been run
D. will run
A. treated
B. have treated
C. had been treated
D. have been treated
最新试题
- 1在下列反应中,氧化剂与还原剂的质量之比为1:1的是 [ ]A.2FeCl2 + Cl2== 2FeCl3B.3Cl
- 2若,且为整数,则下列各式中正确的是 A.B.C.D.
- 3下列现象中,属于有性生殖的是 ( )A.大蒜瓣种在土壤
- 4下列语句中划线的熟语运用恰当的一句是( )A.随着互联网的快速发展,各种网络谣言也不翼而飞,这不仅损害了公民权益,也损
- 5下列行为中,属于有教养的表现是[ ]A.小明没完没了地唠叨一些别人根本不想听的事B.小刚与人谈话时老爱插嘴,抢着
- 6某短跑运动员跑完100m.约需要10s的时间,则他的百米跑平均速度与下面的哪个速度最接近( )A.15km/hB.35
- 7以下两幅图包含了很多中国文化精神元素,集文学、书法、绘画及篆刻艺术为一体。这种画风最为突出的是哪一时期A.魏晋南北朝B.
- 8全球变暖给我们敲响了警钟,地球正面临巨大的挑战,下列说法不正确的是( )A.推广“低碳经济”,减少温室气体的排放B.推
- 9下列反应的离子方程式正确的是( )A.AgCl的悬浊液中滴入少量Na2S溶液:2AgCl+S2-=Ag2S+2Cl-B
- 10已知方程mx2-x-1=0在(0,1)区间恰有一解,则实数m的取值范围是( )。
热门考点
- 1鉴别日常生活中的下列各组物质,两种方法均正确的是 ( )A.硬水和软水:滴加肥皂水或滴加食盐水B.甲烷和一氧
- 2LostMy English dictionary. My name is Grace.Please call 233-
- 3找出下面复句中的关联词,并且用原句中的关联词(不改变关联词的顺序)再造出一个复句。(1)只有掌握语文教学的理论,才能使语
- 4已知cosA+sinA=15,A为第四象限角,则tanA=( )A.43B.34C.-43D.-34
- 5Two building workers got seriously wounded when the stadium
- 6(1)9n+1÷______=3n,(2)(-212)2007×0.42008=______.
- 7下列过程中电流做功,将电能转化为化学能的是( )A.电风扇转动B.电热水器烧水C.电解水的过程D.电池作为电源
- 8有两瓶无色溶液,分别是氯化钠和硫酸钠,若把它们区别开,下列最合适的是( )A.稀硝酸B.硝酸银C.硝酸银和稀硝酸D.氯
- 9化简的结果为-(-1)0的结果为[ ]A.-9B.7C.-10D.9
- 10名篇名句默写(6分)小题1:__________,不尽长江滚滚来。(杜甫《登高》)小题2:斜阳草树,寻常巷陌,_____