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【单选题】
下列叙述不正确的是（ ）A.
乙烯和苯都能使溴水褪色，褪色的原因相同
B.
淀粉、油脂、蛋白质都能水解，但水解产物不同
C.
煤油可由石油分馏获得，可用作燃料和保存少量金属钠
D.
乙醇、乙酸、乙酸乙酯都能发生取代反应
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举一反三
【单选题】What is the general style. of this professor's talk?
A.
It is full of specialized vocabulary.
B.
It is a casual speech aiming to familiarize the audience with a new course.
C.
The professor wants to establish the new course in a friendly style.
D.
It is like storytelling, interesting and easy to follow.
【简答题】通用检测方法和指导原则载于《中国药典》的(__)部分。
【单选题】It is a general law in politics, that the power most to be distrusted, is that which, possessing the greatest force, is the least responsible. Under the constitutional monarchies of Europe, (as they e...
A.
the difference between kings and presidents
B.
the power of the Supreme Court
C.
the limitations of the presidency
D.
the irresponsibility of Congress
【单选题】It is our general/usual practice that business is subject to shipped quality.正确的翻译是()
A.
It is our general/usual practice to pay by L/C.
B.
It is our general/usual practice that not paying any commission.
C.
It is our general/usual practice to sale by samples
【判断题】“American food is terrible” is not a good topic sentence because it is too general.
A.
正确
B.
错误
【简答题】按钮是()电器(填入手动或自动)
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