搜索
Teddy has a good friend. His name is Peter. He is from the U. S. Teddy and Peter are in the same class. They go to school five days a week. They stay at home on Sundays and Saturdays. Peter likes China and Chinese food. His favourite Chinese food is dumplings. At school they play table tennis. After class, Teddy and Peter like making things. Now they are making a model plane.
They like flying planes on Sunday morning. Peter speaks English and a little Chinese.
Teddy speaks Chinese and a little English. They teach each other (互相）.
(1)Teddy has an American friend.
(2) They don’t go to school on weekends.
(3) They often fly planes after class.
(4) Teddy teaches Peter English.
Peter likes dumplings very much.
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
