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【判断题】
苯环上烷基化和酰基化常用催化剂有三卤化铝等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
【多选题】下列关于黄河流域生态保护生态治理70年的说法正确的是 。
A.
确保了黄河岁岁安澜
B.
遏制了“悬河”淤积抬升步伐
C.
实现了化害为利、造福人民的目标
D.
开创了开发与保护并重的新局面
【简答题】实际体重大于参考体重 10 %~ 20 %为 _ _, 大于参考体重 20 %以上为
【单选题】At that moment, with the crowd watching me, i was not afraid in the ordinary sense, as i ___ if I ___ alone.
A.
Would have been ...had been
B.
Should be ...had been
C.
Could be ...were
D.
Might have been...were
【单选题】At that moment, with the crowd watching me, I was not afraid in the ordinary sense, as if I alone.
A.
would have been...had been
B.
should be...had been
C.
could be...were
D.
might have been...were
【单选题】The room was empty, but Tom felt that ______ was watching him.
A.
anybody
B.
nobody
C.
somebody
D.
everybody
【单选题】为了使一个潜在客户成为合格的线索,销售人员必须收集哪些与这位潜在客户相关的信息:
A.
a genuine need for the product or service. 对产品或服务的真实需求
B.
the buying authority to purchase the product or service. 购买产品或服务的权限
C.
the financial resources to purchase the product or service 购买产品或服务的支付能力
D.
only a and b above are true. 只有A和B正确
E.
a, b, and c above are all true. 以上A、B、C都正确。
【单选题】According to the passage, back in the 1950s, how long did it take for the first Records book to be put together?
A.
5 months.
B.
6 months.
C.
12 months.
D.
32 months.
相关题目：
【多选题】下列关于黄河流域生态保护生态治理70年的说法正确的是 。
A.
确保了黄河岁岁安澜
B.
遏制了“悬河”淤积抬升步伐
C.
实现了化害为利、造福人民的目标
D.
开创了开发与保护并重的新局面