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【句子轉(zhuǎn)換】

1. 他被任命為主席，在那個(gè)位置上他度過了余生。

He was appointed chairman, in which post he spent the rest of his life.

= He was appointed chairman and in that post he spent the rest of his life.

2. 他發(fā)了脾氣，在那個(gè)時(shí)刻我決定回家。

He lost his temper, at which point I decided to go home.

= He lost his temper and at that point I decided to go home.

3. 在家里，他好像十點(diǎn)半之后才有空，到那時(shí)孩子們已上床睡覺了。

At home, he never seems to have time until after 10:30 pm, by which time his children have gone to bed.

= At home, he never seems to have time until after 10:30 pm, and by that time his children have gone to bed.

4. 我們做了三年隔壁鄰居，在此期間我們只見過兩次面。

We were next-door neighbors for three years, during which time we met only twice.

= We were next-door neighbors for three years, and during this / that time we met only twice.

5. 被告知我的工作不能令人滿意，聞?dòng)嵑笪冶氵f交了辭呈。

I was told my work was unsatisfactory, at which point I submitted my resignation.

= I was told my work was unsatisfactory, and at this / that point I submitted my resignation.

6. 他在學(xué)習(xí)經(jīng)濟(jì)學(xué)，這門知識(shí)在當(dāng)今非常重要。

He is studying economics, which knowledge is pretty important today.

= He is studying economics, and this knowledge is pretty important today.      

■after / before which 引導(dǎo)的定語從句

and after / before that = after / before which

【典型例題1】

He was educated at a local grammar school, _______ he went on to Cambridge.

A. from which                        B. after that   

C. after which                        D. from this

【解析】句意：他在當(dāng)?shù)匾凰�文法學(xué)校上學(xué)，之后他便去了劍橋。after that意為“然后，之后”，但不能引導(dǎo)一個(gè)定語從句，因此B項(xiàng)也被排除；after which相當(dāng)于and after that，故此句可改寫為：

He was educated at a local grammar school, and after that he went on to Cambridge.

【典型例題2】

He left his hometown 20 years ago, _______nothing was heard about him.

A. since when                         B. after that   

C. after which                        D. from this

【解析】句意：20年前他離開家鄉(xiāng)，從那以后再?zèng)]有他的消息。Since when與與過去時(shí)態(tài)不吻合，需要用完成時(shí)；B,D不能接定語從句，所以C正確。本句改寫成：

He left his hometown 20 years ago and after that nothing was heard about him.

句子轉(zhuǎn)換

我在東關(guān)中學(xué)工作了九年，之前我在光明中學(xué)工作。

I worked in Dongguan Senior Middle School for 9 years, before which I worked in Gunagming Senior Middle School.

= I worked in Dongguan Senior Middle School for 9 years, and before that I worked in Gunagming Senior Middle School.

【小結(jié)點(diǎn)撥】

根據(jù)上述學(xué)習(xí)內(nèi)容，做出如下總結(jié)：

1.帶有this, that的短語，引導(dǎo)定語從句時(shí)，要將this, that變?yōu)?/FONT> which。