A. Don’t feed the animals in the zoo.
B. David will travel in America next summer.
C. Would you like to visit the Great Wall during the holiday?
D. They are having a basketball match now.
E. I’m going to Changsha by train.
F. My friends are going to meet at the school gate.
G. We’d like to go camping next weekend.
H. On September 10th, students usually give flowers or cards to their teachers.
1. (
2. (
3. (
4. (
5. (
6. (
7. (
8. (
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