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( )（1）A.have B．map C．make
( )（2）A.drink B．might C．pink
( )（3）A.soon B．food C．look
( )（4）A.now B．know C．slow
( )（5）A.hear B．bear C．ear
( )（6）A.lot B．nose C．post
( )（7）A.this B．thank C．mother
( )（8）A.flu B．university C．music
( )（9）A.let B．seven C．Peter
( )（10）A.head B．meat C．eat
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
