( ) (1) A. season B. spring C. summer
( ) (2) A. with B. winter C. weather
( ) (3) A. rain B. rainy C. ran
( ) (4) A. cool B. cold C. colder
( ) (5) A. well B. better C. best
( ) (6) A. last week B. next week C. this week
( ) (7) A. go swimming B. go fishing C. go rowing
( ) (8) A. pick apples B. pick oranges C. pick pears
( ) (9) A. warm clothes B. warm coats C. warm scarves
( ) (10) A. the days get longer B. the days get shorter C. the nights get shorter
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