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专业技术人员有本专业中专毕业以上学历，见习（ ）期满，经单位考核合格者可以从事此专业工作。 A．3个月 B．半年 C．1年 D．2年
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【简答题】Pls. fill in the gaps with words or phrases given in the brackets. Change the form where necessary. The local government developed its economy but the environment . (troop, drag on, alliance, launch,...
【简答题】将下列段落翻译成中文 Proponents of nuclear energy argue that nuclear power is a sustainable energy source which reduces CO 2 emissions and can increase energy security if its use supplants the dependence on imp...
【单选题】Nuclear power is the use of nuclear reactions that release nuclear energy to generate _____, which most frequently is then used in steam turbines to produce electricity in a nuclear power plant.
A.
water
B.
oxygen
C.
atomic energy
D.
heat
【单选题】Nuclear power is too dangerous and expensive for peaceful use therefore, many countries are reluctant to accept it.
A.
Y
B.
N
C.
NG
【简答题】我国的居民住宅等对安全要求较高的场所现在广泛采用___ 系统。
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