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【判断题】
铝及铝合金焊接前要仔细清理焊件表面，其主要目的是为了防止产生气孔。A.
正确
B.
错误
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【单选题】We will be shown around the city: schools, museums, and some other places, ______ other visitor
A.
174. We will be shown around the city: schools, museums, and some other places, ______ other visitors seldom go. A．what
B.
which
C.
where
D.
When
【单选题】The demand for places at some schools ________ the supply.
A.
covers
B.
exceeds
C.
over
D.
under
【单选题】We will be shown around the city：schools，museums，and some other places，other visitors seldom go．A
A.
12．We will be shown around the city：schools，museums，and some other places， other visitors seldom go． A．what
B.
which
C.
where
D.
when
【简答题】阅读理解。 Students should dress well at school. This is because schools are places where students study. Students shouldn't be dressed fashionably or strangely. That is thought of as impolite behavior at ...
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