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I have two new friends. They are Lucy and Ben. Lucy is a tall girl. She is very friendly. She has a blue hat. Ben is tall and he has brown hair. And he has a big green bag. In his bag, there are some books, three pencils, some candies and two toys. We often go to school together.
1．I have ________ new friends. ( )| A．one | B．two | C．three |
| A．tall; thin | B．short; quiet | C．tall; friendly |
| A．black | B．yellow | C．brown |
| A．two | B．three | C．seven |
| A．clean the room | B．go to school | C．do 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
