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The Black familly
Mr and Mrs Black have two sons (儿子) and three daughters . They also have a cat . They have a big house . Their house has a kitchen , five bedrooms , two bathrooms and two otherooms . The Black family have some trees near their house . They have two cars . On Saturday and Sunday they go to the seaside (海边) in their cars . Mr and Mrs Black work five days a week . They are teachers . They help their students . They also help their sons and
daughters .
（1）Mr and Mrs Black have children .
A. seven B . six C . five
（2）There are rooms in the house .
A. five B . seven C . ten
（3）They often go out by .
A. bike B . bus C . car
（4）Mr and Mrs Black don’t work on .
A. Saturday B . Sunday C . Saturday and Sunday
（5）Their children may .
A. be students at school
B. work in a school
C. help their mother at home
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
