The frame needs to be strong enough to s

admin2022-08-02 55

问题 The frame needs to be strong enough to support the engine.A:structureB:bottomC:surfaceD:top

选项 A:structure
B:bottom
C:surface
D:top

答案 A

解析本句意思：支撑引擎的框架必须足够坚固。frame意思是“框架，结构”，与structure（结构，构造）意思相近。bottom底部，末端；surface表面，表层；外观top顶部，顶端。

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卫生C

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