搜索
( ) 1．---What’s your name? --- __________
A．Hi! I’m Sarah.
B．Bye, Sarah.
C．My name is Sarah.
( ) 2．--- Goodbye！ --- __________
A．Hello!
B．Welcome.
C．Bye! Miss White.
( ) 3． ---I have a book. --- __________
A．OK!
B．Me too.
C．Close your book.
( ) 4．---Hello! --- __________
A．Thank you.
B．Hi!
C．Me too!
( ) 5．---Let’s play. --- __________
A．Bye!
B．OK.
C．Hello!
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
