单项选择题

According to the interview, chemicals contained in green tea actually help


A. refresh one’s memory.
B. combat some diseases.
C. revive one’s spirits.
D. improve one’s physique.
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单项选择题
It can be inferred from the first paragraph that cosmologists
A. tend to think more about philosophy than science.
B. have wrongly calculated the age of the cosmos.
C. don’t know for sure about our cosmos.
D. expect to solve all the problems about nature.
单项选择题
Which of the following best supports the assumption that animals have emotions
A. What happens in their heads and hearts.
B. How they interact with friends and foes.
C. The odors they emit when being with friends.
D. The expression in their eyes while interacting with others.
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