1.选择题- (共7题)
5.对转基因生物的安全性问题,人们在哪些方面存在着争论( )
①转基因生物可能存在食物安全问题
②很多被转移的基因是异种基因
③转基因生物可能影响到环境安全
④科学家对基因的结构、基因间的相互作用以及基因的调控机制等都了解得相当有限
⑤转基因生物可能存在生物安全问题.
7.我国西北一些地区年降雨量小于450mm,只适宜种植灌木和草,但却被某些领导硬性要求种植了属于乔木的杨树作为防护林带.生态的不适应使许多地方的杨树长成半死不活的“小老头”状,远不如当地树种那样有较高的适应性,结果防护林成为残败的“灰色长城”.其失败的原因主要是违背了( )
2.单项选择- (共9题)
8.
What did you think of the place?
--I didn’t care for it at first, but after _____ time I got to like it.
--I didn’t care for it at first, but after _____ time I got to like it.
A.the;a | B./;a |
C.a;the | D./;the |
9.
-Are you coming to the English evening?
-I’m not sure. I go to the concert instead.
-I’m not sure. I go to the concert instead.
A.must | B.might |
C.should | D.would |
10.
—What are you mailing, Tom?
— A textbook a new method of teaching physics. I want my friends to take a look at it.
— A textbook a new method of teaching physics. I want my friends to take a look at it.
A.is based on | B.based on | C.basing upon | D.which based upon |
11.
They were walking around the town a place for the party.
A.search for | B.to search for | C.searching | D.searched for |
15.
He said,“What’s the matter?”
→He asked .
→He asked .
A.what the matter is | B.what the matter was |
C.what is the matter | D.what was the matter |
试卷分析
-
【1】题量占比
选择题:(7道)
单项选择:(9道)
-
【2】:难度分析
1星难题:0
2星难题:0
3星难题:0
4星难题:0
5星难题:0
6星难题:9
7星难题:0
8星难题:0
9星难题:0