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【单选题】
It’s Tom’s room, so it belongs to ______. It’s ______ favourite place.A.
he; his
B.
him; he’s
C.
his; his
D.
him; his
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举一反三
【单选题】Before putting on the starting air, the reversing and control gear should be _____.
A.
removed
B.
operated
C.
stopped
D.
checked
【单选题】【单选】Before putting on the starting air, the reversing and control gear should be____
A.
operated
B.
stopped
C.
checked
D.
removed
【简答题】(7) 环毛蚓的受精作用是在____内进行的。排泄器官是____
【简答题】直流发电机主要由 和 两大部分组成。
【简答题】reversing gear______________________。
【简答题】(5) 环毛蚓的排泄器官为____，血液是红色，是因为血浆中有____。
【简答题】Translate the following into Chinese. I. gas turbine( );2. compression ignition engine( );3, medium-speed diesel engine( );4. slow-speed diesel engine( );5. two-stroke cycle( );6.revers...