( ) (1)What’s the matter with Sarah ?
A. She has a toothache. B. She has a cold. C. Her leg hurts.
( ) (2)How does Jack feel today ?
A. He’s sad . B. He’s bored . C. He’s happy .
( ) (3)How tall is Dick’s father?
A. He’s 136 cm tall. B. He’s 165 cm tall. C. He’s 175 cm tall.
( ) (4)How heavy is John ?
A . He is 40kg . B. He is 50kg . C. He is 45kg .
( ) (5)What did John do last weekend ?
A. He visited grandparents with his mom .
B. He went hiking with his friends .
C. John washed clo
thes .
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