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Chen Jie is very happy to have two new pen pals. They are Jim and Kim. Jim and Kim live in the USA. But they live in different cities. Jim is short and Kim is tall. Jim likes playing basketball. Kim likes playing basketball, too. They usually play basketball on weekends. Jim likes singing, but Kim doesn't like it. Kim likes drawing. Chen Jie likes drawing, too. Chen Jie and her pen pals write emails every week. Chen Jie usually writes emails on Friday evening.
1．Jim and Kim are Chen Jie's_______. ( )| A．brothers | B．classmates | C．pen pals |
| A．Chen Jie | B．Kim | C．his pen pals |
| A．playing basketball | B．singing | C．drawing |
--__________
| A．Chen Jie and Jim. | B．Chen Jie and Kim. | C．Jim and Kim. |
| A．Chen Jie | B．Jim | C．Kim |
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
