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【判断题】
习惯上规定正电荷运动的方向或负电荷运动的相反电流的实际方向。A.
正确
B.
错误
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举一反三
【简答题】When he went out, he would wear sunglasses ______ nobody would recognize him. A) so that B) now that C) as though D) in case
【多选题】Ethical issues of organ donation include:
A.
definition of death
B.
voluntary and involuntary organ donation
C.
forced organ donation
D.
organ trafficking and black market
【多选题】What are the ethical issues in organ transplantation?
A.
Organ shortage
B.
Organ donation
C.
Organ sale
D.
Alternative organ sources
【简答题】spiral organ
【简答题】化学与材料 陶是人类最早利用化学反应制造的人造材料，青铜是人类最早利用化学反应制造的金属材料．陶器、青铜器及铝器的广泛使用，极大地促进了人类社会的发展．请回答下列问题： （1）陶、铜、铁等材料的生产离不开火，火即所谓的燃烧，其实质是一种（填反应类型）______反应；而铜和铁的冶炼，主要是利用（填反应类型）______反应把铜和铁从其的化合物中转化出来．制陶的原料是黏土，其主要成分是二氧化硅、氧化...
【单选题】When he went out, he would wear sunglasses ______ nobody would recognize him.
A.
so that
B.
now that
C.
as though
D.
in case
【单选题】After Moses had grown up, what did he see one day when he went out?
A.
his people (Egyptians) and saw they forced labor on Israelites
B.
his people (Israelites) and saw they forced labor on Egyptians
C.
his people (Hebrews) and saw they forced labor on Israelites
D.
his people (Hebrews) and saw they were forced labor for Egyptians
【单选题】When he went out, he would wear sunglasses () nobody would recognize him.
A.
so that
B.
as though
C.
now that
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