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【判断题】
电渣焊是利用电流通过液态熔渣所产生的电阻热进行焊接的工艺方法。( )A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】--Must I take a taxi?--No, you _______. You can take a car.
A.
had better to
B.
don't
C.
must not
D.
don't have to
【单选题】— Must I take a taxi? —No, you______. It is only a six minutes’ walk.
A.
don’t have to
B.
must C can’t D ought to
【简答题】世界各国在公务员的晋升方式上，主要有两种做法，一种是考试晋升，另一种是（）晋升。
【单选题】Must I take a taxi? No, you（）. You can take my car.
A.
had better to
B.
don't
C.
must not
D.
don't have to
【单选题】—Must I take a taxi? —No, you _____. You can take my car. [ ]
A.
don't have to
B.
had better to
C.
must not
D.
don't
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