1. all over the world________ 2. 同时________
3. middle school________ 4. 带回________
5. space travel________ 6. 晚饭后________
7. get on the bus________ 8. 互相________
9. have a lovely time________ 10. 起床________
11. clean my room________ 12. 在超市________
13. be proud of________ 14. 骑自行车________
15. be interested in…________ 16. 看起来像________
17. play hideandseek________ 18. 吹唢呐________
19. watch football games________ 20. 一个好主意________
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