68.【解析】选A。细节理解题。根据文章第二段中We expect that this will be the most popular of the four sports. Therefore, students should be advised to sign up as soon as possible.可知选项A正确。根据文章第三段中First, it is not very busy and crowded before 6:00pm.可排除选项B；根据文章第四段中The activity will start at 2:30 pm and finish 90 minutes later.可排除选项C；根据文章最后一段中Only students skilful at swimming can take up this activity.可排除选项D。
69.【解析】选B。推理判断题。根据文章第一段的描述，“Sports for Life” programme这个项目并没有对某一类孩子作出限制，所以选项B正确。根据文章第二段中Students will take a private bus to and from Kwun Tong Sports Park.可排除A项；根据文章第三段中Second, it has lots of trees with plenty of shade.可知，在Sports 2: Gym中学生才可能在树荫下乘凉，故排除选项C；
根据文章第三段和第四段可知，只在Sports 2: Gym和Sprots3: Hiking中提到让学生带水，故可排除选项D。
70.【解析】选D。总结归纳题。根据文章第二段至第四段可知，每一项活动都有教师陪同，故选项D正确。根据文章第四段中The activity will start at 2:30 pm and finish 90 minutes later.可排选项A；根据文章第三段中Three activities, shipping ,jogging , outdoor aerobics(有氧运动), all of which are free of charge, will be arranged.可排除选项B；只有Sprots3: Hiking在Kowloon Peak举行，故可排除选项C。
71.【解析】选C。细节理解题。根据文章第一段中Here is a memo(备忘录)for your reference when you answer the phones.可知选项C正确。
【跟踪演练】
1、 （2011·广东省高州长坡中学2011届高三12月月考）
Bored? Lonely? Out of condition?
Why not try the
SPORT CENTER?
TENNIS
Indoor and outdoor courts. Coaching from beginners to advanced, everyday not evenings. Children only-Sat. mornings.
SKIING
Dry slopes—3 levels instructors at weekends and Fridays. Daytime parcitice. 8 years upwards.
SWIMMING
2 pools I heated Olympic length. Tuition available.
Women: Tuesday and Thursday.
Men: Monday, Wednesday and Friday.
Children: Saturday