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2. Li Ming, Jenny is calling. b. This is Li Ming speaking.
3. Shall we go to the library? c. Yes, I do.
4. What’s Guo Yang doing? d. He is skipping
5. Now Danny is doing the high jump. e. It’s Sunday.
6. What’s Wang Hong doing? f. She is doing the long jump.
7. What are you doing? g. I am coming.
8. What day is today? h. OK!
9. Do you like singing? i. Come on, Danny.
10. What does he do? j. I am dancing.
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
