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【单选题】
包埋时液体加入则
A.
包埋材料较稀,材料的膨胀减小
B.
包埋材料较稀,材料的膨胀增大
C.
包埋材料较稠,材料的膨胀减小
D.
包埋材料较稠,材料的膨胀增大 我的答案:
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皮皮学刷刷变学霸
举一反三
【简答题】A.Because they have all been shot. B.Because they are too erous. C.Because they are all hiding under the rivers. D.Because the weather does not suit them nowadays.
【判断题】光圈f/16比f/8少2级曝光。
A.
正确
B.
错误
【简答题】A.Because they have all been shot. B.Because they are too erous. C.Because they are all hiding under the rivers. D.Because the weather does not suit them nowadays.
【单选题】【纺织】当发现液化气钢瓶内残液过多时,应送往()进行处理,严禁乱倒残液。
A.
消防队
B.
环保局
C.
液化气充装站
【简答题】A.They have all kinds of rooms you may look for. B.They, like resort hotels, are usually on the coast. C.They have spacious parking place. D.They provide better services than inns and lodges.
【单选题】当发现液化气钢瓶内残液过多时,应送往什么单位进行处理,严禁乱倒残液。()
A.
消防队
B.
环保局
C.
液化气充装站
【单选题】They are sure they have all the facts they need to ______ the existence of a black hole.
A.
obtain
B.
maintain
C.
verify
D.
display
【单选题】当发现液化气钢瓶内残液过多时,应送往()进行处理,严禁乱倒残液
A.
消防队
B.
环保局
C.
液化气充装站
【多选题】单级式非隔离型光伏并网逆变器特点有______。
A.
体积小
B.
重量轻
C.
效率高
D.
成本低
【单选题】Wild crocodiles are not seen in England now because ______.
A.
they have all been shot
B.
they are too dangerous
C.
they are all hiding under the earth
D.
they could not get used to the cold weather
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