题目内容

【单选题】Question 24:

A rise in emotional problems.
B. A decline in sports activities.
C. A reduction in the amount of sleep.
D. A decline in academic performance.

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【单选题】Question 25:

A. Protect the eyesight of the younger generation.
B. Take effective measures to raise productivity.
C. Realize the disruptive effects of technology.
D. Ensure they have sufficient sleep every day.

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[音频]【单选题】Question 19 to 21 are based on the passage you have just heard. Question 19:

A. The function of the human immune system.
B. The cause of various auto-immune diseases.
C. The viruses that may infect the human immune system.
D. The change in people’s immune system as they get older.

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【单选题】Question 20:

A. Report their illnesses.
B. Offer blood samples.
C. Act as research assistants.
D. Help to interview patients.

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【单选题】Question 21:

A. Strengthening people’s immunity to infection.
Better understanding patients’ immune system.
C. Helping improve old people’s health conditions.
D. Further reducing old patients’ medical expenses.

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【单选题】Question 24:

A rise in emotional problems. B. A decline in sports activities. C. A reduction in the amount of sleep. D. A decline in academic performance.

【单选题】Question 25:

[音频]【单选题】Question 19 to 21 are based on the passage you have just heard. Question 19:

【单选题】Question 20:

【单选题】Question 21:

A rise in emotional problems.
B. A decline in sports activities.
C. A reduction in the amount of sleep.
D. A decline in academic performance.