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My name is Bill.I’m from the US
| A．My Chinese teacher is Wang Mei.She is a good teacher.There are some friends in my class.Jim is my best friend.He’s from Canada.He is tall and he has black hair.Sandy is from England.She has long brown hair.Wang Dong is from China.He has short black hair.He speaks English.He’s very friendly. |
（2）There are four friends in his class.
（3）Wang Mei is Bill’s good teacher.
（4）Wang Dong is friendly and cute.
（5）Bill is from America.
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
