1 . The population of Africa is ________ so rapidly as to cause concern of the whole world.

A．expanding

B．stretching

C．extending

D．spreading

2 . Most people there do not realize that they are _____ polluted air.

3 . The authorities say the prison is now _______(运转) normally. （根据汉语提示单词拼写）

4 . The police are ________（呼吁）to the public for any information about the missing girl. (根据汉语提示单词拼写）

5 . On the other hand, when you are ______ (奋斗) to control your feelings, you wish they could be more caring and patient — sometimes they forget that growing up is a rough ride. （根据汉语提示单词拼写）

6 . There are still many people who are s______________in the world. They need food. （根据首字母单词拼写）

7 . It is reported that many a new house___________________(build) at present in the disaster area.  （所给词的适当形式填空）

8 . The number of visitors ______ steadily since the reopening, despite a sharp decline compared to normal years.

A．has risen	B．is rising
C．had been rising	D．has been rising

9 . China’s maternal and infant goods e­commerce platforms ________ heavily and speeding up their steps to expand offline channels.

A．invest

B．are investing

C．are invested

D．have invested

10 . — Do you like your new place?
— Yes,I do.But it's a little far from my college,and the traffic____________me.

A．killed

B．has killed

C．had killed

D．is killing