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【单选题】
青蒿素结构中含( )A.
苯环
B.
过氧键
C.
D.
嘧啶环
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【单选题】One important middle—class value is that__________．
A.
people should always have fun
B.
children should believe in themselves
C.
debt is nothing to worry about
D.
they should earn enough to finance theirlifestyles
【单选题】Evidence _________indicates that you attend to one idea at a time.
A.
of date
B.
to date
C.
of the date
D.
to the date
【单选题】For a child to give up less mature idea for a more sophisticate one, it requires that the child_____________ psychologically ready for the new idea.
A.
is
B.
be
C.
were
D.
would be
【简答题】In an extended family, all the people share one household. Apart from parents and children,there may be other family members:grandparents, aunts, uncles, cousins, etc.'That is to say,a large family ma...
【单选题】One sure way you can tell how quickly a new idea, for example, the idea of 'privatization,' is taking hold among the population is to monitor how fast the word or words expressing that particular idea...
A.
Dictionary editors are not professionally interested in words that are only rarely used.
B.
Dictionary editors have exact numerical criteria for telling when a word has passed into common usage.
C.
For a new idea to take hold, dictionary editors have to include the relevant word or words in their dictionaries.
D.
As a word passes into common usage, its meaning does not undergo any severe distortions in the process.
E.
Words denoting new ideas tend to be used before the ideas denoted are understood.
【单选题】The main idea of this passage is______.
A.
one's color preference shows one's character
B.
you can brighten your life with wonderful colors
C.
psychologists have been studying the meaning of color preference
D.
one's color preference has something to do with his character and colors have effects on human beings
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