Hello, boys and girls. I am a dentist. I am Dr. Lee.
Do you wash your teeth everyday ? Well , you should wash your teeth at least twice a day. Brush your teeth with this kind of tooth brush. And clean your teeth like this way. Brush the inside surface, the outside face and the biting face of your teeth. Always move the brush in small circles. Wash your mouth with clean water. Sweets and chocolate are not good for your teeth. Don’t eat so much. And brush your teeth after you eat them. Eat a lot of vegetables and fruit…..
(1)What’s the dentist’s name ? ______________
A Dr. Li B Dr. Lee C Dr. Bee D Dr. Dee
(2)You should wash your teeth at least ______ a day.
A once B twice C three times D none
(3)You should ______move your brush in small circle.
A never B sometimes C always D usually
(4)Wash your teeth with _______.
A. clean water B dirty water C coke D milk
(5)______is not good for your teeth.
A. Fruit B Vegetables C Sweets D Chocolate
(6)Eat _____vegetables and fruit.
A little B a little C lot of D lots of
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