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It’s Saturday today. It’s sunny and hot. Bill gets up at 7:00 in the morning. Then he has breakfast with his family. They have hamburgers, fish, vegetables, fruit and milk. After breakfast, they go to the zoo by bus. There are five pandas at the zoo. Look! A fat and big panda is under the tree. It plays with a ball. A short panda is in the tree. They are all very lovely. Bill likes them very much. He is happy today.
1．It’s Sunday today.2．Bill and his family go to the zoo by bus.
3．There are ten pandas at the zoo.
4．A fat and big panda plays with a chair.
5．Bill feels happy today.
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
