A lever______a rigid bar that can turn around a fixed point called the fulcrum.A

游客2025-02-04 10

问题 A lever______a rigid bar that can turn around a fixed point called the fulcrum.

选项 A、it consists
B、consists of
C、is consisting
D、can consist

答案 B

解析 The verb + preposition structure consist of must come before the object a rigid bar.

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