搜索
Hello, I am Sam. My old schoolbag is broken. I can't take it to school. My mother will buy a new one for me. Now we are in the supermarket. I like the blue one. It's big and light. Blue is my favourite colour. And it has four wheels. It will be easy for me to carry. It has got two pockets. I can put my bottles there. I like my new schoolbag very much.
1．Sam's old schoolbag is2．Now Sam is in the
3．The new schoolbag is big and
4．The new schoolbag has got four
5．Sam will put his bottles in the two
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
