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（_____） 1. Who is very busy?
A. Everyone in Lucy’s class. B. Everyone in Lucy’s family.
C. Everyone at school. D. Lucy’s parents.
（_____）2. What must Lucy do?
A. Go to school. B. Go out for a walk.
C. Go home. D. Go to see a film.
（_____） 3. Whom are all the members of the family trying to help?
A. Lucy’s grandfather. B. Lucy’s father.
C. Lucy. D. Lucy’s mother.
（_____） 4. What is Lucy’s mother doing?
A. Cleaning Lucy’s face. B. Carrying Lucy’s shoes.
C. Eating her breakfast. D. Watching the street.
（_____） 5. How many people are there in Lucy’s family?
A. Two. B. Three. C. Four. D. Five.
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
