搜索
Mr. and Mrs. Brown are both teachers. They teach in the same middle school.
They go to school by bike at eight ten every morning. They go home at four fifteen in the afternoon.
Mr. and Mrs. Brown have a son and a daughter. They are Sam and Ann. They study in the same school. Sam goes to school by bus and Ann does too. Some of their friends go to school by car and some walk to school. Sam and Ann get home at four thirty in the afternoon. They do their homework before supper and watch TV after supper.
1．Mr. and Mrs. Brown are workers.2．Mr. and Mrs. Brown go to school by bike.
3．Sam goes to school by car.
4．Ann and Sam get home at 4:15 in the afternoon.
5．They do their homework after supper.
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
