题目内容
（请给出正确答案）
A.have been taken place, have been set up
B.have taken place, have been set up
C.have been taken place, have been set up
D.were taken place, were set up
如果结果不匹配，请 联系老师 获取答案
更多“Great changes（)in our province…”相关的问题
A.take place
B.took place
C.have taken place
D.are taking place
Subsonic flight does not produce a sonic boom, because it ______.
A．does not disturb existing pressures
B．stays behind its disturbance
C．does not produce great enough changes in pressure
D．stays ahead of its disturbance
The last paragraph suggests that______.
A．a modern computer won't be down
B．computers can take the place of humans
C．there will be great changes in computers
D．sometimes a computer may bring suffering to people
Which of the following is true of Livingston？ ______
A．He thinks he has discovered a new possibility in the link between sun spots and the weather on the Earth.
B．He has great doubts about the theory that the sun's frequent changes have an influence on the Earth's climate.
C．He has been recently informed by other scientists of the possibility that more sun spots will appear.
D．He does not think the causes of the sun spots will be fully revealed by scientists in the near future.
I have no intention of ______ relations with them.
A．breaking up
B．breaking off
C．breaking out
D．breaking down
The "Lost Diamond"______to be in the safe all the time.
A．turned into
B．turned up
C．turned out
D．turned over
