The gudgeon pin is carried in （） in th

1、In the passage, the writer suggests th

In the passage, the writer suggests that the word "cool"______.A may not be as cool as it seemsB usually means something interestingC can make your life colorfulD can be used instead of many words

2、Deviation in a compass is caused by th

Deviation in a compass is caused by the（）.Avessel's geographic positionBvessel's headingCearth's magnetic fieldDinfluence of the magnetic materials of the vessel

3、Generally the gudgeon pin is fully flo

Generally the gudgeon pin is fully floating in both connecting rod small end and （）.Athe crossheadBthe crankshaftClarge endDthe piston bosse

4、In order to（）the disease, the first th

In order to（）the disease, the first thing we should do is to do research about it and find out a satisfactory cure.AconfirmBconductCcontrolDconfuse

5、A vessel is carrying three lights in a

A vessel is carrying three lights in a vertical line. The highest and lowest of these are red and the middle light is white. Which statement...

6、22．In the daytime， when you dive in th

22．In the daytime， when you dive in the sea， you ________A can see everything green and blueB can- t be in dangerC can catch nothingD cant see anything clearly