皮皮学，免费搜题
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【判断题】
危险废物是指具有急性毒性、易燃性、反应性、腐蚀性、浸出毒性、感染性等的危险特性的一类废物。它不仅存在于工业固体废物中,同时也存在于城市生活垃圾中。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】You have never been to Bridge Street, _____? [ ]
A.
have you
B.
haven't you
C.
do you
D.
don't you
【单选题】—You have never been to the West Lake, _____ you? —No, never. [ ]
A.
do
B.
did
C.
haven't
D.
have
【简答题】Write a short composition of about 250 to 300 words on the topic given below:(15%)Topic: Write in 250 ~ 300 words about Chinas auto industry.
【简答题】Write a short composition of about 150 words on the topic given below. Topic: Comment on the Development of the Internet
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