皮皮学，免费搜题
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搜题
【单选题】
既限制物体任何方向移动,又限制物体转动的约束称( )约束。
A.
固定铰
B.
可动铰
C.
固定端
D.
光滑面
拍照语音搜题，微信中搜索"皮皮学"使用
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【多选题】检查粪便排出的孕节常用于诊断 ( )
A.
棘球蚴病
B.
囊虫病
C.
猪带绦虫病
D.
牛带绦虫病
E.
蛲虫病
查看完整题目与答案
【多选题】下列差分方程所描述的系统不是线性系统的是( )。
A.
B.
C.
D.
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【判断题】He tried hardly but failed to finish his work in time.
A.
正确
B.
错误
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【简答题】He tried (hard, hardly) but failed to finish his work in time.
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【多选题】生产性粉尘的理化特性包括( )
A.
化学组成
B.
分散度
C.
溶解度
D.
形状与硬度
查看完整题目与答案
【单选题】He had hardly had time to finish the sound-recording ______ he turned off the radio.
A.
when
B.
than
C.
until
D.
as
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【单选题】Hardly ______ his speech ______ the audience started cheering.
A.
did he finish; than
B.
does he finish; before
C.
has he finished; while
D.
had he finished; when
查看完整题目与答案
【多选题】生产性粉尘的理化特性包括（）.
A.
化学组成
B.
分散度
C.
溶解度
D.
形状与硬度
E.
荷电性
F.
爆炸性
查看完整题目与答案
【简答题】Hardly (he finish) his work when the telephone rang.
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【简答题】Hardly he (finish) ______ his speech when the audience started sheering.
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相关题目：
【多选题】检查粪便排出的孕节常用于诊断 ( )
A.
棘球蚴病
B.
囊虫病
C.
猪带绦虫病
D.
牛带绦虫病
E.
蛲虫病
查看完整题目与答案
【多选题】下列差分方程所描述的系统不是线性系统的是( )。
A.
B.
C.
D.
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【判断题】He tried hardly but failed to finish his work in time.
A.
正确
B.
错误
查看完整题目与答案
【简答题】He tried (hard, hardly) but failed to finish his work in time.
查看完整题目与答案
【多选题】生产性粉尘的理化特性包括( )
A.
化学组成
B.
分散度
C.
溶解度
D.
形状与硬度
查看完整题目与答案
【单选题】He had hardly had time to finish the sound-recording ______ he turned off the radio.
A.
when
B.
than
C.
until
D.
as
查看完整题目与答案
【单选题】Hardly ______ his speech ______ the audience started cheering.
A.
did he finish; than
B.
does he finish; before
C.
has he finished; while
D.
had he finished; when
查看完整题目与答案
【多选题】生产性粉尘的理化特性包括（）.
A.
化学组成
B.
分散度
C.
溶解度
D.
形状与硬度
E.
荷电性
F.
爆炸性
查看完整题目与答案
【简答题】Hardly (he finish) his work when the telephone rang.
查看完整题目与答案
【简答题】Hardly he (finish) ______ his speech when the audience started sheering.
查看完整题目与答案