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Mr Black is a careful driver. One day he is driving home.When he goes to a crossing,he finds a “slow”sign,so he slows down.He looks both ways to see no cars coming,so he is ready to drive away.
Just then,he hears a police whisle(吹哨)，so he stop by the side of the road.A policeman walks to him and says:You should stop at the crossing.Mr Black says:It’s slow,not stop.
The policeman looks at the sigh,and says:Well,I am very sorry.Iam in the wrong street.
判断句子正误，正确（T）错误（F）。
(1)Mr Black often drives very fast.
(2) Mr Black stops his car at the crossing.
(3) There is a “stop”sigh in every crossing.
(4) Mr Black stops bcause he hears a police whisle.
(5) The policeman is carful.
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
