职业继续教育经费指企业为提升员工的工作技能或工作绩效，鼓励其参加学历教育、职称考评、

What a pity! I _____ in London for three more days, but something urgent needed to be dealt with back in Beijing.

A．must have stayed

B．could have stayed

C．may have stayed

D．needn’t have stayed

脑膜中动脉通过（）

A.圆孔

B.棘孔

C.卵圆孔

D.破裂孔

E.眶上裂

《南京条约》内容中，直接加重人民负担的是（    ）

A．割让香港岛

B．赔款2100万银元

C．开放五处通商口岸

D．协定关税

— Many people are in great need of extra food.

— Yes. It is a challenge to________all their needs. [ ]

A. satisfy  

B. gain

C. practise  

D. produce

读下图，回答：

（）图的比例尺大，（）图的实际面积大。