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【单选题】
每日考察 --What’s the matter? --I’m having trouble_____ who has taken my book. A. looking after B. looking for C. looking up D. looking out
A.
looking after
B.
looking for
C.
looking up
D.
looking out
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【单选题】弧焊整流器属于()电源
A.
逆变式
B.
交直流
C.
整流
D.
直流
【简答题】编程练习:根据成绩,输出档次。 [0,60) 不及格 [60, 80) 及格 [80,90) 良好 [90,100] 优秀 其它 输入有误。
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A.
is now a big problem
B.
could lead to dismiss of the staff
C.
is not so serious as before
D.
is protected by the employment laws
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【单选题】身上着火后,下列错误的灭火方法是 ____
A.
就地打滚
B.
用厚重衣物覆盖压灭火苗
C.
迎风快跑
【单选题】听力原文: In some countries, taking lots of days off work sick would get you fired and the idea of offering prizes for good attendance would be little more than a joke. But absenteeism has become a big pr...
A.
is now a big problem
B.
could lead to dismiss of the staff
C.
is not so serious as before
D.
is protected by the employment laws
【简答题】A few days ago,I went to school with lots of books,hoping to get a locker (锁柜).Suddenly,it started raining heavily. I hurried to pay for my locker,but I was disappointed when they informed me they onl...
【单选题】荧光屏铅玻璃一般具有( )铅当量
A.
1.0mm以上
B.
1.5mm以上
C.
2.0mm以上
D.
2.5mm以上
E.
3.0mm以上
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