皮皮学，免费搜题
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搜题
【多选题】
下列化合物,哪些具有芳香性?A.
环戊二烯负离子
B.
环丁二烯
C.
环戊二烯
D.
环丙烯正离子
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】Thegoods that you ordered ten days ago will(deliver) _____ to you tomorrow .
【单选题】We are glad to inform you that we can supply thegoods you are _____.
A.
inquire
B.
enquiring for
C.
enquiry about
D.
inquiry of
【单选题】The importer can take possession of thegoods only upon payment．
A.
take up
B.
make off
C.
get hold of
D.
take up with
【单选题】The importer can take possession of thegoods only upon payment．
A.
take up
B.
make off
C.
get hold of
D.
take up with
【简答题】Thegoods are allowed to be loaded for shipment they are cleared for export.
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