the extra weight required for the diesel reduction gearing
a minimum speed for the engines that limits the minimum speed of the vessel
the higher fuel consumption per SHP
the low efficiency of the system when a controllable pitch propeller is used
第1题：
There are no major differences between how one reads in one’s mother tongue and how one reads in a foreign language.（）
A对
B错
第2题：
There are no major differences between how one reads in one’s mother tongue and how one reads in a foreign language.（）
第3题：
Michael’s new house is like a huge palace, with his old one.
A. comparing B. comparesC. to compareD. compared
第4题：
ignition lag
engine horsepower
lube oil system pressure
specific fuel consumption
第5题：
dial indicator
outside caliper
bridge gauge
tram rod
第6题：
One potential danger is（）the information could be used by others to your disadvantage.
Athat
Bwhat
Cit
Dwhich
第7题：
PQ major disadvantage？
第8题：
According to the passage，the major disadvantage of newspapers in its_______
A．high cost
B．lack of changes
C．slow speed
D．lack of interaction
第9题：
less even torque
higher cylinder head temperatures
fewer power strokes per revolution
greater weight/size requirements
第10题：