( ) (1) A. this B. that C. It’s
( ) (2) A. father B. grandfather C. brother
( ) (3) A. uncle B. banana C. aunt
( ) (4) A. sister B. grandmother C. son
( ) (5) A. daughter B. dog C. door
( ) (6) A. friend B. family C. fridge
( ) (7) A. my pencil B. your pencil C. his pen
( ) (8) A. milk B. juice C. bread
( ) (9) A.photo B.phone C.potato
( ) (10)A.who B.what C.how
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