单项选择题

The mice taking C75 lose nearly half of their weight on the same amount of food Become（）

A. more active 
B. more lazy   
C. more aggressive 
D. more noisy

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单项选择题
What answer does the writer give to a woman’s intuition（）

A. It is simply a blind guess.
B. It is a special kind of knowledge.
C. It must be the sixth sense.
D. He doesn’t really answer the question.
单项选择题
Judging from the context, the word row in the fourth. paragraph. most probably means（）

A. a noisy quarrel
B. a very loud noise
C. a neat line of things side by side
D. a journey in a boat .
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