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Hi, I’m Helen. I’m twelve years old. Tom and Kate are my good friends. We like our school very much. It’s so beautiful. Usually I go to school on foot . Because my home is near, Tom usually goes to school by bike ,His home is far ,but sometimes he goes by taxi. Kate’s home is far , too. She usually goes to school by bus ,Because it’s cheap.
( ) 1 .Helen is 11 years old.
( ) 2.Usually Helen goes to school by bike.
( ) 3.Helen’s home is near.
( ) 4.Sometimes Tom goes to school by taxi.
( ) 5.Usually Kate goes to school by bus.
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
