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| A. I often go skating. B. I lost my books. C. Last Sunday. D. My family visited it. E. On foot. F. Because I was ill. G. Yes, he was. H. All right. I. No, it was sunny. J. No, I didn’t. |
1．Why didn't you go to school?
2．Did you water trees this morning?
3．How did you get to the zoo?
4．Was it cloudy yesterday?
5．What’s the matter?
6．Don’t climb up the hill.
7．How do you spend your Sunday?
8．When did you go to the park?
9．Who visited the the Great Wall?
10．Was your brother at home yesterday?
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
