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【判断题】
摆式仪测定路面抗滑值，使用前必须进行标定。A.
正确
B.
错误
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
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【简答题】飞艇
【简答题】飞艇内充的气体的密度______空气密度，当飞艇匀速上升时，浮力等于飞艇的______，如果此时从飞艇上抛下一些重物，则飞艇将______上升；要使飞艇回到地面上可以采用的______的方法．
【简答题】飞艇从结构上可分为( )飞艇,( )飞艇和( )飞艇三种类型。
【单选题】--- Will the music award be covered ________? ---- Yes. But if you are not a music fan, you might find it a bit ________.
A.
alive; boring
B.
alive; bored
C.
live; bored
D.
live; boring
【单选题】If you are a fan of science fiction, you've no doubt encountered the term nanotechnology. Yet over the past year also, a series of breakthroughs have transformed nanotech from sci-fi fantasy into a re...
A.
dead
B.
decent
C.
prominent
D.
popular
【单选题】If you are a fan of science fiction, you've no doubt encountered the term nanotechnology, Yet over the past year also, a series of breakthroughs have transformed nanotech from sci-fi fantasy into a re...
A.
dead
B.
decent
C.
prominent
D.
popular
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