【单选题】用于制作低速车削螺纹车刀的金属材料是( ▲ )。
【多选题】抵站服务是指全陪带领旅游团从上一站到达下一站时所提供的相关服务,主要内容包括一下哪些()
【单选题】What advice does John give Mary?
A.
He advises her to cook more quickly.
B.
He advises her to be careful of the fire.
C.
He advises hex not to turn the gas off.
【单选题】下列国家不包括在北美自由贸易区的国家是( )
【单选题】What advice does John give Mary?
A.
He advises her to cook more quickly.
B.
He advises her to be careful of the fire.
C.
He advises her not to turn the gas off.