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II. Translate the following sentences into English.
1. 他个子矮而他兄弟个子高。 He is short, while his brother is tall.
2. 他很努力, 然而还是失败了。 He worked hard. However, he failed.
I. Complete the sentences with and / however / while / although.
1. British English _a_n_d_ American English are more or less the same.
2. _A_l_th_o_u__g_h it was not safe to stay in the house, they didn’t move at all.
连词可分为并列连词和从属连词。 并列连词： ➢表转折或对比: but, while, yet, however
➢表选择: or, otherwise等。 e.g. Seize the chance, or you will regret it. ➢表联合: and, when等。 e.g. We should keep the room clean and
2. While I’m cleaning the floor, you can clean the windows.
3. While we don’t agree with each other, we continue to be friends.
4. Although born in Chicago, the author is most famous for his stories about New York City.
— No, I’d like to, _____.
A. too B. though C. yet D. either
5. _____ you call me to say you’re not
coming, I’ll see you at the theatre.
A. Though
B. Whether
about it in the official report.
➢ 表地点：where, wherever。 e.g. Wherever you go, keep in touch
with me. ➢ 表条件：if, unless, as long as。 e.g. He will not come unless he is
6. Life expectancy is still low. It has improved in the last ten years. (although) Although Life expectancy is still low. It has improved in the last ten years.
4. There is poverty in this area. People are happier than in the city. (although) Although there is poverty in this area. People are happier than in the city.
Choose the correct answer. 1. __B__ the Internet is of great help, I
come later.
【总结归纳】
but与however都表示“但是, 然而”, 都 可以引导并列句, 但二者用法有些区别。 1. 从语义上看, but所表示的是非常明显 的对比, 转折的意味较however要强。
2. 从语法上看, but是个并列连词, 而 however是个连接副词。
3. 从语序上看, but总是位于它所引出的 分句之首, 而however却可位于分句之 首、之中或之尾。
bowl froze.
➢表让步：though / although。 e.g. Although / Though I live near the
sea, I’m not a good swimmer. ➢表方式：as, as if / though。 e.g. They talked as if they had been
3) 引导让步状语从句, 意为“虽然, 尽 管”, 2. 多alt放ho在ug句h的首用。法
although为从属连词, 意为“虽然, 尽 管”, 引导让步状语从句。注意以下两 点: 1) although在多数情况下可与though通 2) 用, 在正式文中, though可用于一种 不
整个从句须置于主句之前。这时although 不能替换though。 e.g. Tired though he was, he went obad, but he did not complain.
III. Choose the best answer.
1. _____ I accept that he is not perfect, I do
actually like the person.
5. Some children receive a good education. Others never go to school at all. (while) Some children receive a good education. while others never go to school at all.
lost your address. 2. However, I can discuss this all when I
see you. 3. He said that it was so; he was mistaken,
however. 4. He hasn’t arrived. He may, however,
friends for years. ➢表比较：as… as, than。 e.g. This river is ten times as long as that
one.
请观察下列句子, 注意总结while和 although的用法。
1. Schools in the north are well-equipped, while those in the south are poor.
working. 他虽然累, 但还是继续工作。 2) although所引导的从句不能与but, and, so, however等连用, 但可以和副词yet, still等连用。
请观察下列句子, 注意总结however和 but的用法。 1. I was going to write you a letter, but I
3. He knows so many difficulties are in front of him. He will not, _h_o_w_e_v_e_r_, give up.
4. He wants to study abroad, _w_h_i_l_e his brother wants to stay at home.
tidy. ➢表因果: for, so等。 e.g. It’s morning, for the birds are singing.
➢其他平行或对称结构： Not…but…, both…and…, either…or…, neither…nor…, not only…but also…, would rather…than…等。 e.g. Not only was everything in his
classroom taken away, but also in his bedroom.
从属连词: ➢表时间：when, while, since, as soon as
等。
e.g. I will get in touch with you as soon as I arrived.
➢表原因：as, because, since等。 e.g. I know it’s true, because I read
A. While
B. Since
C. Before
D. Unless
2. ______ modeling business is by no means
easy to get into, the good model will
always be in demand.
A. While B. Since C. As D. If
invited.
➢表目的：so that, in order that, in case。
e.g. He took a taxi to the station in order that he should not miss the train.
➢表结果：so, so that。 e.g. It was very cold, so that the water in
2. Europe has a lot of industry. Africa does not have much. (while) Europe has a lot of industry, while Africa does not have much.
3. In some part of Europe, incomes are high. In other parts, they are much lower. (while) In some part of Europe, incomes are high, while in other parts, they are much lower.
3. You should try to get a good night’s
