Harry:Me neither. But the end of junior high school is the beginning of a new life.
Susan:I am going to study in a senior high school near my home.
Harry:
Susan:If so, I will live in the school and go home once a week. I’ll miss my parents and the delicious food at home. I have to wash my clothes by
Harry:I see… but I want to go to a school that is far from my home.
Susan:Have you made the final decision? It is not easy for you.
Harry:Yes, I can’t always
Susan:Maybe you are right. Our parents are getting older. We should learn to take care of ourselves and help our parents at the same time.
Harry:Shall we learn to do housework together during this summer holiday?
Susan:
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