皮皮学，免费搜题
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【简答题】
Fill in the blanks with the words or phrases given. booking check have a good stay stay fill in 1) Please wait a moment. I’ll _______. 2) This group will _______ for one night. 3) Please ________ the registration forms. 4) Thank you for _________, madam. 5) We hope you __________________ in our hotel.
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】White smoke issuing from the exhaust of an auxiliary diesel engine valve opening ____.
A.
the engine is overloaded
B.
the engine is cold
C.
there is too much lube oil in the cylinders
D.
the turbocharger is fouled
【单选题】It sounded like something was wrong with the car’s engine then, ______ they would have carried on their journey.
A.
otherwise
B.
therefore
C.
meanwhile
D.
besides
【单选题】A diesel engine piston ring face is in direct contact with the _____.
A.
top of the ring groove
B.
cylinder liner oil film
C.
bottom of the ring groove
D.
back of the ring groove
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