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Wu Dong has a good friend. His name is Peter. He is from the U.S.
| A．Wu Dong and Peter are in the same class. They go to school five days a week. They stay at home on Saturday and Sunday. Peter likes China and Chinese food. He likes rice very much. At school they play table tennis (乒乓球)after class. |
（1）Wu Dong has an American friend.
（2）They go to school from Monday to Friday.
（3）They often fly planes after class.
（4）Wu Dong teaches Peter English and Peter teaches Wu Dong Chinese.
（5）Peter often eats rice because he likes eating it.
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
