单选题：根据以下资料，回答题。 Harry Potter is mentioned in the passage，becaus

题目分类：理工类
题目类型：单选题
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根据以下资料，回答题。

Harry Potter is mentioned in the passage，because scientists____________． A．can now make an invisible cloak of the same kind as he uses
B．try to make an invisible cloak of the same kind as he uses
C．try to invent a device similar in idea to the invisible cloak he uses
D．know that it is possible to make an invisible cloak of the same kind

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Surface tension means the tendency of atoms or molecules to

Surface tension means the tendency of atoms or molecules to____________．

分类：理工类题型：单选题

根据以下资料，回答题。 Paragraph 2_______________

根据以下资料，回答题。Paragraph 2_______________

分类：理工类题型：单选题

The food is insufficient for three people．

The food is insufficient for three people． A．instant B．infinite C．inexpensive D．

分类：理工类题型：单选题

靖在第_____处填上正确答案。

靖在第_____处填上正确答案。A．another B．other C．each other D．one another

分类：理工类题型：单选题

There were beautiful clothes （　　）in the shop windows.

There were beautiful clothes （　　）in the shop windows.A．spread B．displayed C．expo

分类：理工类题型：单选题