Rules are everywhere. When we read
• Be at least 15 years old and healthy.
• Be able to (能够) speak and read
You must not:
• Sit with a
• Sit with a
This is because you need to be free to give help to others.”
1.A.at | B.on | C.beside |
A.follow | B.get | C.make |
A.interesting | B.successful | C.important |
A.train | B.plane | C.bus |
A.left | B.wrote | C.saw |
A.Japanese | B.Chinese | C.English |
A.child | B.lady | C.pupil |
A.boy | B.pet | C.hare |

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

