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【单选题】
用农历计算预产期，推算（ ）A.
月份减3或加9，日期加7
B.
月份减3或加9，日期加8
C.
月份减3或加9，日期加10
D.
月份减3或加9，日期加13
E.
月份减3或加9，日期加15
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A.
many accidents
B.
bicycles
C.
Air pollution
D.
other people
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【单选题】The main disadvantage of the automation system is()
A.
it increases pilot workload
B.
it makes more errors
C.
when manual operation is necessary, take over operation becomes difficult
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A.
most North Americans would be unlikely to shift their diets simply in order to accommodate the exigencies of water conservation
B.
the gains provided by diets with less water-intensive production would likely be less useful in areas with greater aquifer resources
C.
people in Asia and certain European countries are dependent on meat-products and could not do without them
D.
diets with less water-intensive production tend to be less healthy than those with more water-intense production
E.
governments of certain countries would be unlikely to promote programs for diet change given their possible negative effect on those countries' economies
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A.
it is one of the most common major operations
B.
it is more effective than any other medicine
C.
the standard of living in America is much higher than that in any other country
D.
it can bring more money to the hospitals and doctors
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A.
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B.
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【单选题】According to the passage, the main disadvantage of person-on-the-street interviews is that they
A.
are not based on a representative sampling
B.
are used only on television
C.
are not carefully worded
D.
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【单选题】A) It has a solid plastic frame. B) It consists of an inner and an outer tent. prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace> C) It is very convenient to set up. D) It is sold...
A.
It has a solid plastic frame.
B.
It consists of an inner and an outer tent.
C.
It is very convenient to set up.
D.
It is sold to many Continental countries.
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