如果在一个函数的定义中调用了该函数本身,这就是函数的嵌套调用。
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Between the two roads ________ a TV tower called“Skyscraper Tower”.
A. stands
B. standing
C. which stands
D. stand
You as well ________ right.
A. I are
B. I am
C. as I am
D. as I are
Where to get the materials and how to get them ________ at the meeting.
A. have not discussed
B. have not been discussed
C. has not discussed
D. has not been discussed
I like mathematics and physics because I think that ________ very important for me to make further research in this field.
A. what is
B. they are
C. this
D. which are