皮皮学，免费搜题
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【判断题】
建筑物的耐火等级是根据建筑材料和构件的燃烧性能分为四级。A.
正确
B.
错误
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】He is trying all kinds of material to learn______ used.
A.
what of them can be
B.
that they can be
C.
which of them can be
D.
which of them be
【简答题】用于小汽车的羊绒簇绒地毯
【单选题】Included _____.
A.
all kinds of books
B.
was all kinds of books
C.
were all kinds of books
D.
all kinds of books are
【单选题】All that afternoon I jumped and sang and did ______ .
A.
all kinds things
B.
all kinds of things
C.
all kind of things
【判断题】The hospitality industry refers to all kinds of hotels, bars and restaurants, but doesn’t include travel agencies.
A.
正确
B.
错误
【简答题】用于小汽车的羊毛簇绒地毯
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