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       Here  1  (be) the results(结果)of the student activity (活动)survey (调查)at Hilltop High School.

Most   2  (student) exercise three or four   3  (time) a week. Some students   4  (exercise) once or twice

a week. Some students exercise every day.

       As for   5   (homework), most students   6   (do )homework every day. Some students do homework three or four times a week. Few   7   (student) do homework once or twice a week.

       The results for “watch TV”  8   (be) interesting. Some students  9   (watch)TV once or twice a

week, some students never watch TV, some students watch TV every   10   (day).

A321飞机的广播词预录系统中的“START NEXT”键被按动时（）

A.播放所有选定条目

B.按次序，有间隔播放所有条目

C.等待播放下一条目

D.只播放MEMOI所列条目