What is the main idea of the passage？
A. Eating distractions often affect our food digestion.
B. Psychological factors influence our hunger levels.
C. Our food intake is determined by our biological needs.
D. Good eating habits will contribute to our health.
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根据听力，回答题：
A. She spoils her daughter so much in the daily life。
B. She thinks there are,many traps on the Internet．
C. She balances the negative and．positive sides of the Internet．
D. She prefers to discipline her daughter to study hard．
听录音，回答以下问题：
A. Musician.
B. Office job.
C. Teacher.
Doctor.
We can infer from Para. 4 that the American government______.
A. links extreme weather to climate change since last week
B. is concerned about the consequence of climate change
C. tries hard to inform. people the influence of climate change
D. is opposed to the burning of fossil fuels in the country
听录音，回答以下问题：
A. Because it is opening new branches.
Because it is short of workers.
C. Because it dismissed some inexperienced workers.
D. Because it is running new businesses.
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