搜索
Hello! My name is Sun Wei. Here is an American boy. His name is David Smith. He is twelve. And I am twelve, too. David is in Class Three, Grade One. I am in Class Three, Grade One, too. He is Number Eight, Row Five. I am Number Five, Row Four.
(1)David an American boy.
A. is B. am C. are
(2)He is .
A. ten B. eleven C. twelve
(3)Sun Wei is Class Three, Grade One.
A. in B. on C. of
(4)David is in Row .
A. Four B. Five C. One]
(5)Sun Wei is Number .
A. Four B. Five
| A．Eight |
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
