单选题 安全程序由制造商提供。

A、 The safety procedures are supplied by the manufacturer.
B、 Safety procedures are to be supplied to the manufacturer.
C、 Safety procedures are provided for manufacturers to follow.
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单选题 急拉氧气面罩来获取氧气。

A、Take the oxygen maskin a hurry to start the flow of oxygen.
B、 Pull the oxygen mask with a sudden movement to start the flow of oxygen.
C、 Pull the oxygen maskin a must to start the flow of oxygen.

单选题 Ream the hole 020 inch larger than the standard

A、将孔铰成比标准尺寸大 0.20 英寸。
B、将孔铰成比标准尺寸大 0.20 英尺。
C、将孔定位成比标准尺寸大 0.20 英寸。

单选题 When you use an approved word , make sure that you only use it as that part of speech

A、当你使用一个被认可的词时,确保你只把它用作演讲的一部分
B、当你使用一个批准词汇时,确保你只使用它的那种词性
C、当你使用被批准的词汇时,确保你只把它用作一种句子成分

单选题 因此,词组中的单词越多,理解起来就越困难

A、Thus , the more words there are in a cluster , the more difficult it is to understand.
B、Therefore , the more words are there in a phrase , the more difficult it is to understand.
C、So , the more nouns in a phrase , the harder it is to understand.

单选题 Refer to detail C on fig4 for a different procedure to attach the cable

A、The procedure of attaching the cable is different from that in detail C on Fig.4
B、See detail C on Fig.4 for another way of attaching the cable
C、You can find a different diagram of the cable in detail C on Fig.4

单选题 Identify the bell crank and shaft with marks to prevent incorrect installation

A、 Put the bell crank and shaft with identification to prevent improper installation.
B、 Identify the bell crank and shaft with marks to prevent wrong installation.
C、 Put the bell crank and shaft with identification to prevent wrong installation.

单选题 The fuel quantity processor unit sends excitation to and receives signals from the tank units and the compensators

A、The fuel quantity processor unit sends excitation to the tank units and the compensators. The excitation receives signals from these tank units and these compensators.
B、The fuel quantity processor unit sends excitation to the tank units and the compensators. The fuel quantity processor unit receives signals from these tank unit sand these compensators.
C、The fuel quantity processor unit sends excitation to the tank units and the compensators. These tank units and these compensators receives signals from the fuel quantity processor unit.

单选题 Engine-driven pumps are primary pumps which run continuously when they are turned on

A、The engine-driven pump is the major pump that works endless when it is switched on.
B、The engine-driven pumps are the main pumps that runs continuously during operation.
C、The engine-driven pumps are the secondary pumps that operates infinitely after running.