三、下面是 Lele 的学校组织开展的“绿色步行”活动通知。读一读，选择正确的选项回答问题。
Walk for Health
Try to walk to school! Keep the time and steps with your watch every day. You can get a prize(奖品) at the end of this week.
Only for the students from Grade 5 to Grade 8.
Number of Steps | Prize
70,000 and above | 100 yuan and a schoolbag
55,000~69,999 | 50 yuan and a notebook
35,000~54,999 | 35 yuan and a pen
Time: 26~30 May
Come and get the prize in our school hall from 3:00 p. m. to 5:00 p. m. on 30 May. Bring your watch to see the number of steps!
()1. Which grade can't take part in this activity?
A. Grade 5. B. Grade 6.
C. Grade 7. D. Grade 9.
()2. How long will this activity last?
A. Six days. B. Seven days.
C. Five days. D. Eight days.
()3. What can Lele get if he walks 62,850 steps in a week?
A. 100 yuan and a schoolbag. B. 50 yuan and a notebook.
C. 50 yuan and a pen. D. 35 yuan and a pen.
()4. Where can students get the prize?
A. On the school playground.
B. In the school hall.
C. In the library.
D. In the science building.

1.D 2.C 3.B 4.B

1. 根据通知中"Only for the students from Grade 5 to Grade 8."可知，该活动仅面向5至8年级的学生，9年级无法参与本次活动，对应选项D。
2. 通知标注活动时间为"26~30 May"，即5月26日到5月30日，活动一共持续5天，对应选项C。
3. 62850步属于通知给出的55,000~69,999步数区间，该区间对应的奖品是50元加一个笔记本，对应选项B。
4. 根据通知中"Come and get the prize in our school hall from 3:00 p. m. to 5:00 p. m. on 30 May."可知，学生可以在学校礼堂领取奖品，对应选项B。