F. G. H. I. J.
1.Tom lost his schoolbag. Now he feels sad. (
2.My mother bought some apples and bananas for me. (
3.I go to bed at nine o'clock. (
4.Daming's father took photos of his family yesterday. (
5.They went to Hainan by train. (
6.—How much cheese do we need? (
—Half a kilo.
7.—Did you walk to school yesterday? (
—Yes, I did.
8.—How many desks are there in your classroom? (
—There are eighteen.
9.—What time is it now? (
—It's half past four.
10.—Where are you, Mum? (
—I'm in the kitchen.
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