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| A. How was your summer holiday, Binbin? B. I’m writing an email to my new pen pal. C. What do you often do on the weekend? D. Did you enjoy your stay in the hotel? E. I love to ice-skate, so I like winter. |
—I didn’t like winter before,I thought it was too cold.
—How about now?
—Now,
2．
—
—No, I didn’t. I couldn’t sleep all the night.
3．
—What are you doing?
—
4．
—
—I often watch TV, sometimes I read books.
5．
—
—It was good. I ate lots of fresh food.
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
