题目内容
—Look! Jack is playing basketball on the playground.
—It __________ be Jack. He has gone to Beijing.
A.can't B.mustn't C.might D.may
永乾教育寒假作业快乐假期延边人民出版社系列答案Name: Grace Age: 91 | I studied skiing in my forties. On a skiing trip, I broke a rib（肋骨）.As the years passed, I developed bad backache. I could not breathe well. I tried an exercise program. For six weeks, I exercised three times a week, two to three hours a day. I did weight（重量）training, bike and breathing exercise. Finally my breathing improved and the backache disappeared. Exercise played an important role in my improvement. |
Name: Robert Age: 80 | Since I retired（退休）in 1987, I have exercised five times a week. I strongly believed exercise stops me from illness. My present exercise includes bod strength（力量）work using weight machines（15-20 minutes every day）,two miles on a running machine（25-30 minutes every day）and five miles on a bike（20-25 minutes every day）. |
Name: Lucy Age: 66 | I attended my first dance class 23 years ago. In the beginning, it was difficult to follow quick movements, but I tried to keep doing it for six weeks. Now I am still taking dance classes twice a week. My backaches disappeared years ago and I am full of energy. Dancing helps me in making better decisions and feeling warm outside in winter! |
1.Grace does all the following exercise EXCEPT __________.
A.breathing exercise B.bicycle
C.dance D.weight training
2.Grace thought doing exercise was __________.
A.difficult B.boring C.tiring D.useful
3.Robert spent at least __________minutes on his three exercises every day.
A.sixty B.sixty-five C.seventy D.seventy-five
4.From the passage we know that Lucy __________.
A.has a bad backache now B.began dancing many years ago
C.takes dance classes twice a month D.stops attending dance classes now
5.What can we learn from this passage? __________.
A.Grace used to go skiing. B.Lucy only dances in winter.
C.Robert retired at the age of 60. D.Both Robert and Grace have backaches.
