The cylinder covers and the liners are bolted together by means of （）.

The cylinder liners are made of （） and the cylinder surfaces are sometimes chromium-plated.

听力理解-新闻听力Question 1-2 will be based on news 1Question 1 A: Civilians B: Hard-liners

The war had just finished and the passenger traffic in the ocean-going liners was not heavy.

The ports are drilled in the liners at an angle of approx 202103 the result being that （） is given a rotary movement.

The withdrawing of the cylinder liners， in general， depends on their （）.This may amount to approximately 1/120 of the diameter in some engines.

?________, and you will be successful.: If you work hard|To work hard|Work hard|Working hard

Ships that do not sail on regular trade routes or have regular schedules are called ( ) . A: liners B: tramps C: charters D: NVOCCs

5、_______ , he couldn’t earn enough to support the family.A. Hard as he worked B. As he worked hard C. As hard he workedD. Hard as did he work A: Hard as he worked As he worked hard As hard he worked B: As he worked hard C: As hard he worked D: Hard as did he work

He ____English. A: works hard for B: hard work for C: works hard at D: hard work at