搜索
Where is my key?
Bill：Mum，what are you looking for?
Mum：My key．Do you know where it is?
Bill：Sorry，I don’t know．Is it in your bag?
Mum：No，it isn’t．
Bill：Is it on the desk?
Mum：No，it isn’t．
Bill：Is it under the chair?
Mum：No，it isn’t．
Bill：Is it behind the door? Let me see．Err...Mum，look，it’s on the door! You are so forgetful!
Mum：...
[[QOrDeR]]Bill and his Mum are looking for a key． ( )
【小题2】The key is on the desk． ( )
【小题3】The key is under the chair． ( )
【小题4】The key is on the door． ( )
【小题5】Bill’s mother is a careless(粗心的)woman． ( )
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
