Ⅰ Ⅱ
(______) 1. Why did you call me?
A.I often go skating.
(______) 2. Did you water flowers this morning?
B.I lost my football.
(______) 3. How did you get to the park?
C.Last Sunday.
(______) 4. Was it rainy yesterday?
D.My family visited it.
(______) 5. What’s the matter?
E.On foot.
(______) 6. Don’t climb up the hill.
F.Because I wanted to play with you.
(______) 7. How do you spend your weekend?
G.Yes, he was.
(______) 8. When did you go to the Museum? H. All right.
(______) 9. Who visited the Tian’anmen Square? I. No, I didn’t.
(______) 10. Was your father at home yesterday? J. No, it was cloudy.
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