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Hello, kids! The summer vacation is coming soon. It’s from July 1st to August 31st. The weather is usually hot. More and more people like swimming in summer. Swimming is a good sport. It is a good way1 to tone up your body. Safety2 first! Here is some advice3 for you:
·Go swimming with your parents.
·Don’t get into the water if you see the sign. 
·Don’t eat too much before you go swimming.
·Do some warm-up exercises before(在……之前) you swim.
生词表：1. way 方式 2. safety 安全 3. advice建议
1．The summer vacation starts on ______. ( )
| A．July 1st | B．August 31st | C．today |
| A．60 | B．61 | C．62 |
| A．晃动身体 | B．强身健体 | C．跑步 |
| A．No Swimming! | B．Swim, please. | C．No fishing! |
| A．Yes. | B．No. | C．Both A and B. |
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
