皮皮学，免费搜题
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搜题
【单选题】
防止热疲劳的有效途径有--。
A.
选用膨胀系数小的材料
B.
选用高温强度小的材料
C.
选用脆性材料
D.
降低材料的疲劳强度
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皮皮学刷刷变学霸
举一反三
【单选题】When I was at school, I _____ up very late, reading storybooks.
A.
used to stay
B.
was used to stay
C.
used to staying
D.
is used to staying
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【单选题】三相交流换向器电动机的缺点之一是工作电压不能太高,一般额定电压为( )。
A.
小于250V
B.
大于250V
C.
小于500V
D.
大于500Vt
查看完整题目与答案
【单选题】I you when I was at school yesterday.
A.
don’t see
B.
weren’t seeing
C.
didn’t see
查看完整题目与答案
【单选题】I don’t speak any French. I wish I _______ harder when I was at school.
A.
had worked
B.
worked
C.
would work
D.
work
查看完整题目与答案
【单选题】读秀能否支持目次检索
A.
支持
B.
不支持
查看完整题目与答案
【简答题】设图所示电路中所有二极管均为理想器件,试判断图中各二极管是否导通,并求各输出电压。
查看完整题目与答案
【多选题】区域经济一体化形式中共同市场的特征是:( )
A.
内部实现货物自由流动
B.
内部实现生产要素自由流动
C.
内部统一财政政策
D.
内部统一货币政策
E.
对外实行统一关税制度
查看完整题目与答案
【单选题】My pronunciation was poor when I was at school.
A.
贫穷的
B.
不好、差
C.
少量的
查看完整题目与答案
【单选题】My pronunciation was poor when I was at school.
A.
少量的
B.
不好、差
C.
贫穷的
查看完整题目与答案
【简答题】完形填空。 The tiny snow leopard cub (雪豹仔) looked across the mountainside for its mother, waiting for her to return. She never did. The cub's mother was 1 , likely killed by a hunter in the steep mountain ...
查看完整题目与答案
相关题目：
【单选题】When I was at school, I _____ up very late, reading storybooks.
A.
used to stay
B.
was used to stay
C.
used to staying
D.
is used to staying
查看完整题目与答案
【单选题】三相交流换向器电动机的缺点之一是工作电压不能太高,一般额定电压为( )。
A.
小于250V
B.
大于250V
C.
小于500V
D.
大于500Vt
查看完整题目与答案
【单选题】I you when I was at school yesterday.
A.
don’t see
B.
weren’t seeing
C.
didn’t see
查看完整题目与答案
【单选题】I don’t speak any French. I wish I _______ harder when I was at school.
A.
had worked
B.
worked
C.
would work
D.
work
查看完整题目与答案
【单选题】读秀能否支持目次检索
A.
支持
B.
不支持
查看完整题目与答案
【简答题】设图所示电路中所有二极管均为理想器件,试判断图中各二极管是否导通,并求各输出电压。
查看完整题目与答案
【多选题】区域经济一体化形式中共同市场的特征是:( )
A.
内部实现货物自由流动
B.
内部实现生产要素自由流动
C.
内部统一财政政策
D.
内部统一货币政策
E.
对外实行统一关税制度
查看完整题目与答案
【单选题】My pronunciation was poor when I was at school.
A.
贫穷的
B.
不好、差
C.
少量的
查看完整题目与答案
【单选题】My pronunciation was poor when I was at school.
A.
少量的
B.
不好、差
C.
贫穷的
查看完整题目与答案
【简答题】完形填空。 The tiny snow leopard cub (雪豹仔) looked across the mountainside for its mother, waiting for her to return. She never did. The cub's mother was 1 , likely killed by a hunter in the steep mountain ...
查看完整题目与答案