正常心尖冲动范围直径为A．0.5～1.0cm B．0.5～1.5cm C．1.5～2_爱下问搜题

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问题单项选择题

正常心尖冲动范围直径为

A．0.5～1.0cm

B．0.5～1.5cm

C．1.5～2.0cm

D．2.0～2.5cm

E．2.5～3.0cm

答案

参考答案：D

选择题

_____ different kinds of pianos, the factory is sure they can satisfy people's needs.

A. To produce
B. Being produced
C. Produced
D. Having produced

判断题

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