听力原文:W: The tour guide warned us not to get close to the old church.
M: Sure, you can see it is falling down.
Q: What does the woman mean?
(14)
A. The church wasn't there.
B. She could see the church.
C. The tour guide was wrong.
D. The tour guide was right.
查看答案
A.Paris.B.It is Sunday.C.By taxi.D.In a railway station.
A. Paris.
B. It is Sunday.
C. By taxi.
D. In a railway station.
下图所示结构的内力图是()。
A. FN图、FQ图均为零
B. FN图为零、FQ图不为零
C. FN图不为零、FQ图为零
D. FN图、FQ图均不为零
可直接激活蛋白激酶C的物质是
AMP
B. DAG
C. IP2
D. PIP2