题目内容

2.5 下列装置中不属于船舶推进器的是_____。

A. 明轮
B. 螺旋桨
C. 喷水推进装置
D. 舵机

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3.2 压力单位有很多种，船舶上常用的压力单位是bar，1bar=_____ Mpa。

A. 10
B. 1
C. 0.1
D. 0.01

Although discouraged by his failure in the experiment at first, Tony soon________.

A. ) Came back
B. ) bounded back
C. )bounced back
D. ) turned back

When the farmer came back home from the cropland, his face was ________with mosquito bites.

A. ) bulging
B. ) expanded
C. ) extended
D. ) left

He has come to a turning point in his life, and he is _________ his future.

A. ) embracing
B. ) contemplating
C. ) determining
D. ) defining