“与他人交换岗位，并彼此承担对方的实际工作”，这属于非正式学习机会中的（）。A.工作

-----Nowadays, more senior students in the Chinese mainland are applying for admission to universities overseas after graduation.

-----________. But studying abroad may cost more.

A．I hope so

B．That’s the case

C．Not really

D．Sounds reasonable

The doctor told Jack's mother that it would not take him long to __________ from his illness.[ ]

A. suffer  

B. separate

C. escape  

D. recover

武松主要传达出的是（）。

A、侠义心肠

B、忠义果断

C、反抗精神

D、智慧精明

牛前腿肉位于上脑的下部、前腱子肉上部，属三级牛肉。( )

什么是直升机的诱导速度？