（）, we continued lifting out the pisto...

单项选择题（）, we continued lifting out the pistons.

A.Late as it was
B.As it was late
C.Since it was late
D.Because of its late

点击查看答案

您可能感兴趣的试卷

你可能感兴趣的试题

1.单项选择题The exhaust valve is opened at about the same time （） the air inlet ports are opened.

A.before
B.after
C.when
D.until

点击查看答案

2.单项选择题When entering a foam injected space （） breathing apparatus.

A.put out
B.put on
C.take off
D.take in

点击查看答案

3.单项选择题The exhaust ports are located around the lower part of the cylinder liner, （）the products of combustion are driven by scavenging air.

A.in which
B.by which
C.through which
D.from which

点击查看答案

4.单项选择题The main engine is cooled with fresh water （）is added suitable small quantities of chemicals to prevent corrosion.

A.in which
B.on which
C.to which
D.by which

点击查看答案

5.单项选择题（）during the last repair?

A.Did you have No.4 cylinder repair
B.Do you have No.4 cylinder repaired
C.Didn’t you have No.4 cylinder repairing
D.Didn’t you have No.4 cylinder repaired

点击查看答案

6.单项选择题Hardly had the engine started （） the temperature of the cooling water suddenly rose up to 40℃.

A.then
B.than
C.when
D.after

点击查看答案

7.单项选择题The term “moderate speed” was previously interpreted as meaning a speed which would enable a vessel （）within half the range of visibility.

A.stopping
B.being stopped
C.to stop
D.to be stopped

点击查看答案

8.单项选择题The two-stroke cycle begins with the piston coming up from the BDC, with the scavenging ports in the sides of the cylinders being （）.

A.open
B.uncover
C.covered
D.closed

点击查看答案

9.单项选择题Hearing a strong noise, （） at once.

A.the engine stopped
B.the engine was stopped
C.he stopped the engine
D.he had stopped the engine

点击查看答案

10.单项选择题（） that everything in the engine crankcase is correct, start up the crankcase lubricating oil pump.

A.To satisfy
B.To be satisfied
C.After satisfying
D.After being satisfied

点击查看答案