叶片式泵有哪些？
题型：问答题 简答题
问题：
叶片式泵有哪些？
题型：问答题 简答题
第二节 根据对话内容，从对话后的选项中选出能填入空白处的最佳选项，并在答题卡上将该项涂黑。选项中有两项多余选项。（共5小题；每小题2分，满分10分）
A: Hi. You look excited. 61___
B: It is said that a singing contest will be held in our
school soon. And I think it a good chance to
exercise my singing talents.
A: __62 __
B: A pocket radio will be given as a reward to the first prize winner.
A: Are you going to take part in it?
B: Sure. __63_
A: Really? But I don’t think you’ve practiced enough.
B: I’m going to. I bet I can get the first prize.
A: __64 . I think you need to have a music teacher to help you.
B: I don’t think it necessary. __65_
A．By the way, are they giving prizes?
B．People say I have a good voice.
C．I don’t know what others say about it.
D．You can do a lot better next time.E. It’ll turn out fine if I practice a lot.
F. What’s happening?
G. Don’t be so sure.