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Mr Brown is almost 70 years old. He started a club. It is a walking club. There are now ten people in the club and most of them are old people like himself. The people walk two miles every day. They walk very quickly because that is the best way to stay in shape. When it is too cold to walk outside, they walk in a shopping mall. They all wear T-shirts that say I Love Walking.”
Something funny happened to the walking club one day. A dog began to follow them. Soon, there were two more dogs. Now the walking club has both people and dogs walking every day.
（1） Mr. Brown started a walking club.
（2） Most of the people in the Walking Club are old.
（3） People in the Walking Club all wear jeans and T-shirts that say “I love you”.
（4） When it is too cold in winter，they don’t walk.
（5） Two dogs follow them to walk every day.
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
