预约成功
Late-night Drinking
1.题目：The author mentions "pick-me-up" to indicate that
答案：C)coffee is a stimulant.
2.题目：Which of the following tells us how caffeine affects sleep?
答案：C)Caffeine halves the body's levels of sleep hormone.
3.题目：What does paragraph 3 mainly discuss?
答案：A)Different effects of caffeinated coffee and decaf on sleep.
4.题目：What does the experiment mentioned in paragraph 4 prove?
答案：D)Caffeine drinkers produce less sleep hormone.
5.题目：The author of this passage probably agrees that
答案：B)We should not drink coffee after supper.
速记口诀：
深夜喝咖啡
1.pick-me-up刺激物____________________
2.咖啡因减半荷尔蒙____________________
3.两种咖啡果不同____________________
4.咖啡饮者少激素____________________
5.不喝咖啡晚饭后____________________
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