A.—School 1.________ over. Let’s go to the playground.
— 2.________
B.—3.________ is it?
—It’s 5 o’clock.
—It’s time 4._______ go home.
C.—What time is it now?
—It’s 6 o’clock. It’s time 5._______.
1. A. has B. is C. are
2. A. OK B. No C. Thanks
3. A. What’s time B. What time C. How many
4. A. to B. for C. is
5. A .to dinner B. have dinner C. to have dinner
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同类型试题
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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
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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
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