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【判断题】
炔烃在林德拉催化剂的催化下，加氢生成烷烃。A.
正确
B.
错误
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反馈参考答案：
举一反三
【判断题】除了传统的分拣备货配货加工包装送货等作业外,电子商务物流配送的功能还向上游延伸到市场调研与预测采购及订单处理,向下游延伸到物流咨询物流方案的选择和规划库存控制决策物流教育与培训等附加功能。
A.
正确
B.
错误
【单选题】We didn ’ t know his telephone number, otherwise we _______ him.
A.
would have telephoned
B.
would telephone
C.
must have telephoned
D.
had telephoned
【简答题】中国青年团团徽的内容包括 ________ 、 ________ 、 ________ 、初升的太阳及其光芒、写有“ ____________ ”五字的绶带。
【单选题】They didn ’ t know his telephone number; otherwise we ________ him.
A.
must have telephoned
B.
would telephone
C.
had telephoned
D.
would have telephoned
【单选题】We didn ’ t know his telephone number,otherwise we ____him.
A.
would have telephoned
B.
must have telephoned
C.
would telephone
D.
had telephone
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