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【单选题】
如图所示基本RS触发器,S=1,R=1时触发器的功能为()A.
置1
B.
置0
C.
保持
D.
不允许
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举一反三
【单选题】It is clearly stated on the bulletin that ______ throws the rubbish away at will will be punished.
A.
whenever
B.
who
C.
anyone
D.
whoever
【单选题】I don’t clearly remember who _____ the question whether it is good for children _______ by their grandparents but I clearly remember it ______ a heated discussion.
A.
brought up; to be brought up; brought about
B.
raised; to be raised; brought out
C.
brought in; to be brought up; brought up
D.
brought up; to be raised; brought up
【多选题】有关食品毒理学描述正确的是
A.
是借助基础毒理学的基本原理和方法开展研究
B.
研究食品中外源化学物质的性质、来源及对人体的损害作用、作用机制、安全性评价
C.
依据研究，提出预防管理措施
D.
以食品安全性评估为重点，将食品毒理学从食品营养和卫生学科中单独分离出来
【单选题】Which of the following was not clearly stated?
A.
Photographs of the faces to be recognized were given to the subjects.
B.
Remembering can be tested in different ways.
C.
Faces were easier to remember than names.
D.
Faces were more difficult to remember than names.
【单选题】The first essential step in writing a successful essay is to formualte a clearly stated thesis.
A.
Y
B.
N
C.
NG
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