岩石的密度指岩石单位体积的重量,岩石内的孔隙()在体积内。
A.包括
B.不包括
C.无含水时不包括
参考答案:A
补全对话。根据对话内容,从下面方框中选出适当的选项补全对话。
A: Good morning.
B: Good morning.
A: Do you have a friend here?
B: Yes, I do.
A: 小题1:
B: Oh. She is my friend, Amy.
A: 小题2:
B: She comes from the U.S.A.
A: She looks like Judy.
B: 小题3:
A: Are they in the same class?
B: No. They are in the same grade. 小题4:
不起于眶尖部的眼外肌是()
A.内直肌
B.外直肌
C.上直肌
D.下直肌
E.下斜肌