(共10分,每小题2分)
1.Ahey are going to eat at half past twelve.
B. going to go to school by bus .
C.I am going to eat at half past twelve.
2.A.Because they are beautiful.
B.Because there is an apple.
C.Because there is a snake.
3. A. Your mother helped me.
B. Your mother gave it to me .
C. Your father helped me
4.A.I want some nooles.
B. I want a tickrt.
C. I want to buy a book.
5.A.We are going to watch TV.
B.We are going to have a party .
C.We are going to our new school.

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

