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【判断题】
直链烯烃和炔烃的物理性质变化,同直链烷烃的物理性质变化规律相似,一般碳链越长,熔点、沸点越高,密度越大。()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】The probable title of this passage is
A.
Crime Rate Is on the Decline.
B.
Prevention Measures Take a New Look.
C.
Community Reconstruction.
D.
A Better Way to Spend Money.
【简答题】Situational crime prion is underpinned by “___________” theory.
【单选题】The writer points out that writing and discussion on crime prevention ______.
A.
are not based on facts and not systematic
B.
involve profound thinking
C.
are ideological and scientific
D.
are not explicitly expressed
【简答题】Make a short video of auction in group , the video should last at least one minute. The goods for auction can be chosen from the Yard Sale you made last week. The useful expression for auctions are ? ...
【简答题】The focus of situational crime prion is on specific ________ rather than on crime in general.
【简答题】When I was a little girl, I found love in a box all because of a class assignment. On a Friday night I 36 at the dinner table, “My teacher said we have to bring a box, a special box, for our valentine...
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