:高二下学期英语单元目标检测题

1、As is known to all, _____great scientific achievements may have _____ positive effect on our life as well as the society.
A. 不填; a        B. the; a          C. the; 不填       D. 不填；不填
2、----Is it     that the spaceship will be launched within this week?
----No, I dont think so.
A. probably        B. perhaps      C. possibly        D. likely
3、You have no idea     when we saw IT companies booming in our country.
A. that we were how happy           B. how happy were we
C. that how we were happy            D. how happy we were
4、 Whoever has ____ sense knows that smoking is harmful to people s health.
A. normal         B. general         C. ordinary        D. common
5、_______China’s first manned space flight took place?
A. When it was that  B. Was it when that  C. When was it that  D. Was it that when
6、Selecting a digital camera for personal use is no easy task because technology _____so rapidly. 
A. is changing      B. has changed     C. will have changed D. will change
7、 A large number of Jules Verne’s books are believed _______in the world, but the exact number is not known yet.
A. to have been sold  B. to have sold     C. to be sold       D. to have been selling
8、As an economist(经济学家), he was able to ____ some light on the problem.
A. put   B. make  C. throw     D. bring
9、As soon as I was on ______, I began to have second thoughts about leaving.
A. abroad         B. broad          C. aboard         D. board