单选题：How do IKD's designers work on their ideas?

题目内容：

How do IKD's designers work on their ideas? A．They use computers and solid model
B．They use computers alon
C．They use computers and pencil drawing

参考答案：

答案解析：

The main purpose of the passage is to

The main purpose of the passage is toA．offer advice on how to prevent hip fractu

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“unyoked” in the first paragraph is closest in meaning toA．sent out．B．released．C

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The products of this factory are chiefly characterized by their fine workmanship

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According to the WT0，Chinese exports rose__________last year．A．21%B．10%C．22%D．4.

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