题目内容

According to the passage, people believe that a females reproductive strategy is influenced by__________

A. an evolutionary driving force
B. a conflict of interests
C. ecological factors
D. the quality of the offspring

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How many strokes may be reduced in a year if most of stroke patients can be treated in the way as the article recommends？

A. 5, 000, 000.
B. 500, 000.
C. 50, 000, 000.
D. 15, 000, 000.

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What happened in

A. The restaurants began to serve smaller portions.
B. Health experts advised people to eat less.
C. Many Americans tried to get slim.
D. The American waistline started to expand.

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Taking two blood pressure-lowering drugs may produce__________less risk of secondary strokes than taking only one such drug.

A. three quarters
B. nearly tour tenths
C. one fifth
D. about one fourteenth

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水泥搅拌法用于处理泥炭土、有机质土、塑性指数大于（）的黏土、地下水具有腐蚀性时以及无工程经验的地区，必须通过现场试验确定其适用性。

A. 15
B. 25
C. 30
D. 35

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According to the passage, people believe that a females reproductive strategy is influenced by__________

A. an evolutionary driving force B. a conflict of interests C. ecological factors D. the quality of the offspring

How many strokes may be reduced in a year if most of stroke patients can be treated in the way as the article recommends？

What happened in

Taking two blood pressure-lowering drugs may produce__________less risk of secondary strokes than taking only one such drug.

水泥搅拌法用于处理泥炭土、有机质土、塑性指数大于（）的黏土、地下水具有腐蚀性时以及无工程经验的地区，必须通过现场试验确定其适用性。

A. an evolutionary driving force
B. a conflict of interests
C. ecological factors
D. the quality of the offspring