皮皮学，免费搜题
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【简答题】
某店面墙面的钢结构箱式招牌，大小12000mm×2000mm×200mm,五夹板衬板，铝塑板面层，钛金字1500mm×1500mm的6个，150mm×100mm的12个。试计算招牌五夹板、铝塑板的工程量。
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】According to the speaker, when are hippos likely to yawn?
A.
When they are swimming.
B.
When they are quarreling.
C.
When they are socializing.
D.
When they are eating.
【简答题】A．They have accidents when they try to outrun other boats. B．They fall overboard when they stand up in their boat. C．They sit or lie on the bottom of their boat. D．They fall asleep and water enters th...
【单选题】According to the speaker, when are hippos likely to yawn?
A.
when they are swimming.
B.
when they are quarreling.
C.
When they are socializing.
D.
when they are eating.
【判断题】For a random signal X(t), when t equals to t1, X(t1) can be regarded as a fixed value.
A.
正确
B.
错误
【单选题】They asked the teacher _______.
A.
when will they have the exam
B.
when they would have the exam
C.
when they have the exam
D.
when would they have the exam
【简答题】国际货物运输方式很多,_______是其中最主要的运输方式。
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