7．The south of the country grows richer，while(though，while) the north grows poorer.

8．Though(though，as) he is very old，he is healthy.

9．In some places women are expected to earn money while(but，while) men work at home and raise their children.

10．He likes drawing，however(however，but)，his parents don't allow him to learn it.

Ⅱ.单句改错(每小题仅有1处错误)

11．His son is hard­working his daughter is very lazy.

12．Although they did a lot of work that day，but或 they were in high spirits.

13．He had failed many times， he didn't lose heart.

14．Angry she was，she managed to speak calmly.

15．While he loves his students，however he is very strict with them.

Ⅲ.语法填空

(2017·福建师大附中高一期中)

　　Everyone had a childhood.And childhood experiences are often very funny.Children often make us 16.laugh(laugh)．It's true 17.that children can make a family full of laugher.

　　I often recall my childhood，the years 18.when many interesting things happened.When I was a two­year­old child，both my parents were always very busy with their work.My mother worked 19.as a sales manager in a company while my father served in 20.the army.So I lived with my grandma in a village.I was always waiting for my parents at home.Once my father 21.sent(send) us a photo of his in a soldier's uniform，which was posted on the table 22.reminding(remind) me of him.

　　Once my mother came to see me and we went 23.shopping(shop) together.On the way we saw a group of soldiers.And when I saw them，I became very 24.excited(excite)．I said in a ringing voice pointing to 25.them，"This is my father，and this is my father，and that is my father，too！"

　　My mother said she would remember that moment all her life.

单元写作--Writing a description comparing two places