搜索
题目：What are they doing
要求:1. 不少于四句话，可适当展开想象，首句提示已给出。
2. 书写规范，语句通顺，没有语法错误，标点符号正确。
| Who? | What is he/she doing? |
| Amy | do her homework |
| Amy’s sister | clean her room |
| mother | cook dinner |
| father | wash clothes |
| grandma | water the flowers |
_____________
This is Amy’s family. What are they doing now? Amy is _____________________________
______________________________________________________________________________________________________________________________________________________________
_______________________________________________________________________________
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
