Step IV. Try to find out the following phrases in the passage.

1. 意味着做某事_______________________ 2. 在树荫下_____________________________

3. 离去_______________________________ 4. 成员之间的联系_______________________

5. 被留在野外_________________________ 6. 涌上心头_____________________________

7. 花时间做某事_______________________ 8. 获得博士学位_________________________

9. 弄清他们的社会体系_________________ 10.过着忙碌的生活_______________________

【答案】1. mean doing 2. in the shade 3. be away 4. connections amonng members 5. be left in the wilderness 6. flood in 7 spend time doing 8. ahcieve doctor's degree 90. find out their social system 10. live a busy life

三、【合作探究】

　[例句] 1) Only after the war ended did he come back.

2) Only then did I realize how much time I had wasted.

3) Only she knew the secret.

[总结归纳]课文原句和例句1、2都是___________________。由此我们可知：only位于句首作_______语时，主句用________________结构。课文原句正常语序的陈述句应当是__________________________________________________________.从例句3我们可知：only放在句首，强调_________语时不用倒装。将only及其后面的状语提前放在句首,句子要用部分倒装语序，即将be动词、助动词或情态动词放在主语之前。

【答案】 倒装句； 状语；倒装；she was allowed to begin her project only after her mother came to help her for the first few months. ; 主语

[要点] only+状语(放在句首)+部分倒装 但Only +主语时不倒装

[即学即练]

(1) Only in this way_______________________________. 只有这样，我们才能学好英语。

(2) Only then____________________________________.到那时我才意识到英语的重要性。

(3) Only you___________________________________________. 只有你了解我。

(4) Only when I left my parents for Wuhan ___________________________________________.

　 只有当我离开父母去武汉，我才意识到我多么地爱他们

(5) Only when your identity has been checked _____________________________________

只有当你的身份证检查后，你才允许进去.

(6) Only __________________________________________.（turn） 只来了三个人.

(7) Only________________________________________________ the stress she was under.

直到那时他才意识到她所承受的压力。