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“Wow,” says Meg. “I have six math problems to do.”
“Oh, no,” says Jim. “I have ten math problems to do.”
Meg helps Jim with his math homework. Jim works out each problem. Meg checks (检查) each problem.
“Good job.” says Meg. “Now I have to read a book for class.”
“Let me help you.” says Jim.
Jim helps Meg with her reading homework. Meg reads each page. Jim helps her read big words.
“Great job!” says Jim.
“That was a lot of homework,” says Meg.
“I am glad we are done (完毕).” says Jim.
“Me too.” says Meg.
“Now we can go outside and play!” says Jim.
1．Jim likes reading.
2．Jim has six math problems to do.
3．Jim helps Meg check each problem.
4．Jim helps Meg with her reading homework.
5．Meg and Jim go outside and play after they done their homework.
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
