It is very important that each cylinder should be （） scavenged before the charged air is compressed...

第1题

[单选题] It is very important to（）（操舵）well.

A、operate B、steer C、repair D、adjust

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第2题

[单选题] It is very important that enough money （）to fund the project.

A、be collected B、must be collected C、is collected D、can be collected

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第3题

[单选题] It is very important for a sailor to （）a safety patrol.

A、has B、had C、have D、having

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第4题

[单选题] Is there a drugstore near here?（）

A、It‘s very small. B、It‘s very crowded. C、It‘s a cheap one. D、Yes, there is a big one.

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第5题

[单选题] A free press is considered very important to the functioning of parliamentary democracy because（）.

A、it plays a watchdog function,keeping an eye on the government B、it informs people of current affairs in the world. C、it provides people with subjective reports. D、it publishes short pamphlets for Parliament.

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第6题

[单选题] The fuel injection system is very important, so any trouble of it will （） the operation of the main engine.

A、be affected B、affect C、be effected D、effect

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第7题

[单选题] It is very important for every sailor （）the characteristics of the ropes so that they can be for right jobs.

A、knowing B、know C、to know D、knew

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第8题

[单选题] It is important that the water （） very often as this can lead to increased deposits.

A、not be changed B、be changed C、should not be changed D、should be changed

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第9题

[判断题] It is important for the teacher to show students how easy it is to understand something from authentic materials rather than how difficult it is to understand everything.（）

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It is very important that each cylinder should be （） scavenged before the charged air is compressed.

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