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【单选题】
用高效液相色谱法测定体内样品描述错误的是:
A.
快速、分离小能好、灵敏度高
B.
对多组分药物及其代谢物可同时分别定量
C.
对高沸点及对热不稳定的化合物均可分离
D.
结果重现性好
E.
化合物需具有共轭结构
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【简答题】The police were warned to be more careful when their (investigate) ______.
【简答题】One _____ needed when a cake is flour anotheris sugar. A. container    B. ingredient    C.content    D. equivalent
【判断题】儿童 患 侵润性肺结核多 位于肺的下部
A.
正确
B.
错误
【判断题】电动势的方向是由电源的负极指向正极。
A.
正确
B.
错误
【单选题】A vessel will NOT show sidelights when ().
A.
underway but not making way
B.
making way,not under command
C.
not under command,not making way
D.
trolling underway
【判断题】因工作需要,开户银行可以向社会公众公开存款人的存款信息。
A.
正确
B.
错误
【单选题】Mary ______ a dress when she cut her finger.
A.
made
B.
is making
C.
was making
D.
makes
【单选题】______ room is on the 5th floor. [     ]
A.
Tom and Bob
B.
Tom and Bob's
C.
Tom's and Bob
D.
Tom's and Bob's
【简答题】Linda, Tom and Sally are my friends. Let’s go to their rooms and have a look! I’m Linda. Welcome to my room. My English book is on the bed. My school ID card and the schoolbag are on the sofa. What ...
【单选题】Last weekend, Tom and Linda went shopping outside and went on spending until their money was_________.
A.
at the end
B.
at an end
C.
by the end
D.
in the end
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