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【单选题】
安全是铁路运输适应经济和社会发展的( )。A.
必要条件
B.
先决条件
C.
最终目的
D.
实现方式"
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【单选题】听力原文：M：Well，(22) today's personality guest is Sally Gladwin．Sally's only sixteen years old．Well，it's a rather incredible success story，isn't it，Sally? W：It is，yes，really． M：You see，Sally invents games...
A.
In a studio.
B.
In a store.
C.
At the fashion show.
D.
At the park.
【单选题】关于成人血清总IgE值,哪项是正确的
A.
20～200g／L
B.
20～200mg／L
C.
20～200ug／L
D.
20～200u／L
E.
20～200ku／L
【简答题】a letter of credit is one of the international payment methods. it can be defined as a written promise of the 1 acting at the request and on the instructions of the 2 to make a payment to the benefici...
【简答题】I. Choose the right word for each blank from the list given below. In today’s fast-paced, much emphasis is placed on the final result of an endeavor. American society places a premium on success; our ...
【简答题】Allelomimetic behavior may be defined as behavior in which two or more individual animals do the same thing,with some degree of mutual stimulation and coordination.It can only evolve in species with s...
【简答题】翻译下面句子:Almost equal l y impo r tant is th a t, as the quot a tion indic a tes, Pl a to defined a pa r ticular view of w h a t m a them a tics w as, or should b e .
【简答题】下列关于公民基本权利和义务说法正确的是（ ）。
【单选题】听力原文：M：Well，today's personality guest is Sally Gladwin．Sally's only sixteen years old．Well，it's a rather incredible success story，isn't it，Sally? W：It is，yes，really． M：You see，Sally invents games，but ...
A.
In a studio.
B.
In a store.
C.
At the fashion show.
D.
At the park.
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