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【单选题】
直接与室外空气接触的楼板或与不供暖房间相邻的地板作为供暖辐射地面时，在楼板上必须先设置（ ）。A.
防潮层
B.
绝热层
C.
隔离层
D.
填充层
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举一反三
【单选题】_____it's a public holiday today, some firefighters in our city are still on duty.
A.
Although
B.
Once
C.
If
【单选题】It's everybody's desire that every effort___________to reduce the pollution in our city.
A.
be made
B.
is made
C.
will bi made
D.
must be made
【简答题】I am the relieving/ in-coming third officer, here is my ID card.
【单选题】In our city, it's _____in July, but it is even ____ in August.
A.
hotter, hottest
B.
hot, hot
C.
hotter, hot
D.
hot, hotter
【简答题】完形填空。 There's a big supermarket 1 Price & Mart in our city. It's very 2 to find. It is in the center of our city. It's 3 the bus stop and it's also very easy to take a taxi, too. The supermarket is bi...
【单选题】The third officer’s duty is to（）when vessel is commanded under the pilot or captain.
A.
operate the wheel and stand by
B.
keep a lookout and operate steering gear
C.
enter telegraph orders in the bell book
D.
operate the telegraph and enter telegraph orders in the bell book
【单选题】In our city, It's__________in July, but it is even__________in August.
A.
hotter, hottest
B.
hot, hot
C.
hotter, hot
D.
hot, hotter
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