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【简答题】
一台额定频率为60赫兹的电力变压器，接于50赫兹、电压为变压器5/6倍额定电压的电网上运行，当忽略原边漏阻抗，则此时变压器的铁心的饱和程度（）；激磁电抗（）；激磁电流（）；铁心损耗（）
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【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】It has been clearly stated that whoever can solve the problem first shall be entitled ______ the great honour-'Talent of the School'. [ ]
A.
for
B.
to
C.
in
D.
on
【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
【单选题】It's clearly stated that you ______ copy the site without written permission from the webmaster.
A.
should not
B.
ought not
C.
should
D.
ought to
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