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【单选题】
以下说法那个是正确的A.
反应级数等于反应分子数
B.
具有简单级数的反应是基元反应
C.
具有相同级数的不同反应，一定具有相同的反应机理
D.
反应分子数只能是正整数
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【简答题】Even young people with little money do not want to buy cheap furniture that they may soon dislike.英译汉
【单选题】A study shows that to limit TV viewing may _____ stronger relationships between young people, their friends and their parents. [ ]
A.
result in
B.
lie in
C.
take in
D.
lead in
【单选题】It is said that ______ young people may lose their abilities to hear after five years if they listen to MP4 players which are too loud for more than five hours a week. [ ]
A.
thousand of
B.
six thousands
C.
thousands of
【单选题】The influence that the reduction of young people has had on economy may include ______.
A.
the appearing of mass market centering the young
B.
the shift of the market center from the middle-aged to the young
C.
the increase of the population who get to form. family
D.
the tendency for the market to split into two
【单选题】Violence on TV may turn out to have an ______ on some young people.
A.
effect
B.
efficiency
C.
affect
D.
impression
【单选题】Schools must ensure that most young people ______ the skills and knowledge that may be helpful in their future life. [ ]
A.
acquire
B.
learn
C.
achieve
D.
fulfill
【单选题】The beneficaiary can receive the payment only when_____ .
A.
he has shipped the goods
B.
he has presented the documents
C.
the documents presented comply with he credit terms
D.
the importer has taken delivery of the goods
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