Tom often watches TV at night, He always feels tired in class. Now he has a headache.
Jack likes to eat a lot of meat, but he doesn’t like vegetables. He doesn’t like sports either. Now he is a little fat.
Andy likes candy very much. He often eats ice cream. Now he has a bad toothache.
Suggestions for Tom: He shouldn’t 1.. He should go to bed early every day. He should go to bed before 9:30.
Suggestions for Jack: He should 2.. He should 3.. He can play basketball, jump rope or walk.
Suggestions for Andy: He shouldn’t 4.. He should brush his teeth every morning and evening. He should 5..
A.eat more fruit and vegetables |
B.exercise every day |
C.go to the dentist |
D.eat too much candy and ice cream |
E.watch too much TV |
同类型试题
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2