题目内容

我想知道船上有多少名海员。

A. Idon'tknowtheseamenonboard.
B. Iwanttoknowthenameoftheseameninport.
C. Idon'tknowthenumberoftheseameninport.
D. Iwanttoknowhowmanyseafarersworkonboard.

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齿轮泵属于容积泵。

A. Gearpumpbelongstopositivedisplacementpump.
B. Screwpumpbelongstopositivedisplacementpump.
C. Gearpumpbelongstocentrifugalpump.
D. Gearpumpbelongstonon-positivedisplacementpump.

那艘船是我们到达前两天离开的。

A. Theshipleftthreedaysago.
B. Theshiplefttwodaysbeforewearrived.
C. Theshiplefttwodaysafterwearrived.
D. Wearrivedtheretwodayslaterthantheshipdid.

交流发电机在预热器附近。

A. Thereisageneratorbythepreheater.
B. Thealternatorisnearthepreheater.
C. Thepreheaterisclosed.
D. Thepreheaterisbehindthealternator.

我们用船上的备件来更换损坏的部件。

A. Werepairedthedamagedparts.
B. Wereplacedthedamagedpartonboard.
C. Weusedthesparepartsonboardtoreplacethedamagedparts.
D. Sparepartscanbeusedtoreplacethedamagedparts.

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