《2025年小题狂做七年级英语上册译林版提优版》

1. Jim plans to change his unhealthy lifestyle.
2. If you want to be healthy, you must eat less and exercise more.
3. You must change your lifestyle, because you need lots of energy.
4. Add more honey if you have a sweet tooth.
5. In order to get enough exercise, I decide to swim once a week or go jogging for half an hour every day.
6. It's hard for me to say no to lovely dogs.

答案： 1. plans to change 2. If; healthy; exercise 3. change; lifestyle; need 4. have a sweet tooth 5. get enough exercise; once a week 6. hard; say no to

1. How many people did scientists at Arizona State University test in the experiment?
B
2. What did people in the first group eat each day?
A
3. In the experiment, the scientists wanted to study the effects(影响)of vinegar on ____.
D
4. What changes did the two groups of people show after four weeks?
C
5. According to the scientists, having more vitamin B3 could ____.
B

答案： 1. B 提示:细节理解题。根据第一段中“At Arizona State University in the US, scientists did an experiment on this. Twenty-eight people joined in the experiment.”可知,28人参加了实验。2. A 提示:细节理解题。根据第一段中“Every day, people in the first group had four spoonfuls of vinegar.”可知,第一组的人每天吃四勺醋。3. D 提示:细节理解题。根据第二段中“Four weeks later, the scientists tested the mental health of everyone.”可知,科学家想要研究醋对心理健康的影响。4. C 提示:细节理解题。根据第二段中“The symptoms of depression went down by 42 percent for the first group and 18 percent for the second.”可知,他们抑郁的症状都变轻了。5. B 提示:细节理解题。根据第二段中“The scientists said that having more vitamin B3 could help with depression.”可知,摄入更多的维生素 B3 可以让人们感觉好一些。