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Last summer vacation
Last summer vacation, Li Ming went to Dalian with his parents. Dalian is clean and beautiful. They went to the beach on the first day. Li Ming’s father and mother swam in the sea, but Li Ming couldn’t swim. He played with sand and made a sand castle（城堡）. The next day, they went to see the sea animals. Then they ate some seafood. It was very delicious. On the third day, they watched a volleyball match. It was exciting. They had a good time there.
1．Li Ming went to Dalian with his ________. ( )| A．parents | B．grandparents | C．friends |
| A．clean; peaceful | B．clean; beautiful | C．dirty; beautiful |
| A．swim | B．eat delicious food | C．the beach |
| A．No, he couldn’t. | B．Yes, he could. | C．He could make a plane. |
| A．boring | B．long | C．exciting |
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
