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【简答题】
High death-rates were characteristic of _____________.
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举一反三
【单选题】Which is ______ , the new one or the old one?
A.
better
B.
the better
C.
best
D.
the best
【单选题】Which one is the best topic sentence?
A.
Over half a million U.S. high school athletes participated in outdoor track and field events last year.
B.
The sport of track and field is very old.
C.
The sport of track and field has increased in popularity in recent years.
【单选题】Which one of the following is mentioned as one reason why the old-aged population dramatically increases in the 20th century?
A.
We have a larger total population.
B.
More accident victims can survive due to improved medical care.
C.
More children were born so that the old can be better taken care of,
D.
Less newly-born children and the mother bearing them die.
【简答题】安慰剂效应包括 、 、 三个因素
【单选题】Of all the following things, which one is not appropriate as the gift for the old people’s birthday?
A.
birthday cake
B.
a shirt or dress
C.
a clock
D.
some delicious food
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