搜索
1. A: What is she_______(do)? B: She_________(cook)dinner in the kitchen now.
2. Listen! Who ___________(sing) ?
3. A: What _____they ______(do)? B: They____________(run)on the grass now.
4. --Are they_______(fly)kites? --Yes, they are.
5. A:_____the girls______(catch)the butterflies? B: No, they aren't. They______(pick)up leaves.
6. Bob _________(swim)in the pool now.
7. They are_________(make) a snowman.
8. The boys ___________(take) pictures in the garden now.
9. It's 12:00, the students ______________(have) lunch in the canteen now.
10. My father_________(wash) his car outside now.
11. A:________your brothers ________(play) computer games now? B: Yes, they are.
12. I like_______(dive) and__________(swim).
14. Look! The kangaroo_________(jump), the panda___________(sleep), the monkeys__________(eat)bananas.
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
