省内外地号码加入欢乐在线群后主叫群内号码免费吗?()
A.免费
B.按当地资费收取
参考答案:B
对话排序。
A: Of course. Let’s go fishing together after the test
B: I don’t know. But I know that you must have a good time.
C: Hello, Tom. Where did you go on your last day off?
D: I like fishing, too. But my friends don’t let me go out
E: Yes, you are right. I went fishing with my grandfather.
F: I stayed at home and studied for my English test.
G: Your parents want you to get good grades.
H: Yes. Can you teach me fish?
I: Oh, It’s so boring. Do you know where I went?
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下列适用于富含糖类组织的固定的是()
A.B-5固定液
B.Bouin液
C.PFG液
D.PLP液和PLPD液
E.Orth液