At sea, we can use（）to fix the ship’s

1、At normal sea going, we use （） instead

At normal sea going, we use （） instead of donkey boiler.Aa heaterBa pre-heaterCan exhaust gas boilerDthe coal burning boiler

2、Since we can't hear you at the back of

Since we cant hear you at the back of the hall, youll have to（）your voice.AimproveBincreaseCraiseDope

3、The radar control used to reduce sea r

The radar control used to reduce sea return at close ranges is the（）.Again controlBsensitivity time controlCfast time constantDpulse length control

4、（）is used to prevent the entry of sea

（）is used to prevent the entry of sea water to the machinery space.AA special sealing glandBPropellerCTailshaftDSterntube bearing

5、According to the passage we can see th

According to the passage we can see that Chinese people think of the pig as a ______animal.A cleverB richC goodD all the above

6、● We can use the word processor to （74

● We can use the word processor to （74） your documents.（74）A editB computeC translateD unload