单选题：There are various ways to solve the problem.

题目内容：

There are various ways to solve the problem. A．same
B．many
C．helpful
D．different

参考答案：

答案解析：

She's extremely competent and industrious.

She's extremely competent and industrious.A．hardworking B．honest C．objective D．i

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He decided to quit smoking because of his cough.A．take up B．put up C．set up D．gi

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In about 15 years' time from now, robots __________.A．will become space designer

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Paragraph 3 __________A．Reason for naming hurricanes B．Warning of an approaching

分类：理工类题型：单选题

分类：理工类题型：单选题