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Colin is a clever boy. There are four people in his family. His father is funny. He’s a taxi driver. Colin’s mother is kind. She’s a nurse. David is Colin’s brother. He’s a cook. He can cook delicious food. Colin is a pupil. His favourite class is science because it is interesting. He wants to be a scientist like Yuan Longping. Colin is very happy now because he is going to visit the science museum this weekend.
1．There are 5 people in Colin’s family.2．Colin’s mother is a taxi driver.
3．David can cook delicious food.
4．Colin wants to be a scientist like Yuan Longping.
5．Colin is very happy now.
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
