B
Today, people want to keep healthy through(通过) exercise. But some of their ideas are not
right.
"Meat is good food before you do exercise because it has much energy." Wong! You can have
some food like potatoes, bread, bananas and so on. But meat is not good food before you do exercise,
because the best food should have carbohydrate(碳水化合物).
"The best time to exercise is early in the morning." Wrong! Morning is a good time to exercise,
but it may not be good for you. You can also exercise in the afternoon or evening. So there is no fixed
time for you to exercise.
You can't drink water when you exercise because it makes you feel tired." Wrong! When you
exercise, you must have some water during breaks. And after exercising, you must have much water. If
you don't drink enough water, then you may feel tired.
" ▲ " Wrong! You need to give your body a day to have a break. Too much exercise is bad
for your health. And remember, don't exercise when you are very tired.
()21. What does the underlined part "there is no fixed time for you to exercise" probably mean?
A. It's difficult for you to exercise. B. You can't exercise in the morning.
C. You must exercise in the afternoon. D. You can choose the time to exercise.
()22. How many wrong ideas are mentioned(提到) in the passage?
A. Two. B. Three. C. Four. D. Five.
()23. Choose the best sentence to fill in the blank " ▲ " in the last paragraph.
A. Exercising is very difficult for students.
B. Exercising every day is very important.
C. Exercising with your friend is interesting.
D. Exercising too much is not good for you.
()24. Which idea is TRUE according to the passage?
A. Eat lots of chicken before doing exercise.
B. Don't exercise in the evening.
C. Drink enough water after exercising.
D. Exercise when you are tired.
()25. Which best shows the structure ofthe passage?

21. D
22. C
23. B
24. C
25. A

21. 根据文中“You can also exercise in the afternoon or evening. So there is no fixed time for you to exercise.”可知，锻炼时间不固定意味着可以自主选择锻炼时间，故选D。
22. 文中依次提及了四个错误观点：运动前吃肉、最佳锻炼时间是清晨、运动时不能喝水、每天都要锻炼，共四个，故选C。
23. 根据最后一段“Wrong! You need to give your body a day to have a break. Too much exercise is bad for your health.”可知，空白处的错误观点应是“每天锻炼很重要”，对应选项B。
24. 根据文中“And after exercising, you must have much water.”可知，运动后要喝足够的水，选项C表述正确；A选项运动前吃肉是错误观点；B选项不能在晚上锻炼的表述错误；D选项疲惫时锻炼是错误做法，故选C。
25. 文章第一段（①）总述人们的部分锻炼观点有误，后续四段（②③④⑤）分别阐述四个错误观点，属于总-分结构，对应选项A的结构。