内容正文:
时 间 状 语 从 句
1
思维 导图
一、用when, before, while, until, after, as soon as或since填空(可重复使用)。
1._________ the students heard the teacher's footsteps, they all stopped talking.
2.__________ it was raining, the students were playing basketball.
3.You should turn on your computer __________ you check your emails.
4.Please call me _________________ you get there.
自我 小测
When
While
before
as soon as
5.We haven't met each other __________ he left Beijing last summer.
6.Please wash the dishes ___________ you finish eating, Lucy.
7.I won't go with you ____________ I finish my homework.
8.—Shall we go now?
—No, let's wait ___________ the rain stops.
9.Mr. Green changed his idea ____________ he thought it over and over again.
自我 小测
since
after
until
until
after
10.—Did you say anything to your parents _________ they shouted at you?
—No, I was afraid to talk back. They looked really serious and scary.
自我 小测
when
二、语法填空。
阅读下面短文,在空白处填入一个适当的词,或填入括号中所给单词的正确形式。
Yuan Longping, a Chinese scientist, has saved people without any magic. His success on hybrid rice(杂交水稻) fed 1.____________(million) of people in hunger.
Yuan was born on September 7, 1930. 2.__________ he graduated from Southwest Agricultural Institute(农业学院), he worked as a teacher at an
自我 小测
millions
After
agricultural school in Hunan.
About 50 years ago, some natural disasters(灾难) hit China. Yuan saw many people lose their lives 3.___________ they were hungry every day. 4.________ then, he has done research on how to grow good quality rice. In 1964, he 5._________(find) a natural hybrid rice plant by accident. It had great advantages over others. Yuan was so excited about 6.________ he discovered. He then decided to study this particular plant.
In 1973, he started to grow a type of hybrid rice. It produced 20% more
自我 小测
because
Since
found
what
rice each unit 7.________ common ones. The next year he had a great success. This progress made China the 8.___________(world) leader in rice production.
In China, mos