The frame needs to be strong enough to support the engine.

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问题 The frame needs to be strong enough to support the engine.

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

答案A

解析 题意:这个框架要足够结实以便支撑引擎。划线词为名词,意为“框架,结构”。A项意为“构造,结构”,例:Doctors study the structure of the human body.医生们研究人体构造。B项意为“底部”,例:This bottom of bucket has worn through.这个桶底已经磨穿了。C项意为“表面”,例:Ozone forms a protective layer between 12 and 30 miles above the Earth’ssurface.臭氧在距地球表面12至30英里的地方形成一个保护层。D项意为“顶部,顶端”,例:The young man works his way up to the top.那个年轻人努力使自己晋升到最高职位。故选A。
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