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【简答题】
用人单位不得安排未成年工从事（）；不得安排孕期和哺乳期的女职工从事对本人和胎儿、婴儿有危害的作业。
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举一反三
【单选题】---Have you got any particular plans for the coming holiday? ---Yes. ________, I’m going to visit some homes for the old in the city.
A.
If ever
B.
C.
If anything
D.
If possible
【多选题】关于网络营销和电子商务的不同点,以下说法正确的有
A.
概念不同
B.
实现的目的有所不同
C.
是否有交易行为发生事网络营销与电子商务的主要分界线
D.
发展的环境有所不同
【单选题】I think you should _______ the doctor about your arm. A．pay a visit toB．give a visit onC．offer
A.
303. I think you should _______ the doctor about your arm. A．pay a visit to
B.
give a visit on
C.
offer visit to
D.
make a visit on
【多选题】关于网络营销和电子商务的不同点,以下说法正确的有
A.
概念不同
B.
实现的目的有所不同
C.
是否有交易行为发生是网络营销与电子商务的主要分界线
D.
发展的环境有所不同
【单选题】You should visit the Empire State building ______ you are in New York.
A.
where
B.
while
C.
which
D.
that
【简答题】根据学习定义，下列属于学习的现象是（ ）。
【单选题】CONTEXT: You are trying to decide whether to visit a sick friend in the hospital. ARGUMENT: You promised to visit her, so you should visit her. Which suppressed premise makes the argument valid?
A.
You should keep your promises.
B.
You should visit sick friends.
C.
You should visit hospitals.
D.
You should do whatever your friends want.
【单选题】You should visit the Fifth Avenue _______ you are in New York.
A.
for
B.
over
C.
during
D.
while
【简答题】When you visit the visa application ________(中心), you should submit a print-out of your visa application form.
【单选题】在三羧酸循环中,哪一步要通过底物水平磷酸化,形成高能磷酸化合物
A.
柠檬酸→α酮戊二酸
B.
α酮戊二酸→琥珀酰辅酶A
C.
琥珀酰辅酶A→琥珀酸
D.
延胡索酸→苹果酸
E.
苹果酸→草酰乙酸
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