Unit 15
I.Words and expressions:
1. recognize vt. 认出，识别；认可
e.g. I recognized my old friend at once.
I couldn’t recognize him at the beginning for he has changed a lot.
※ be recognized as 被承认是
e.g. Tom is recognized as the best footballer in the school.
2. explain vt. ＆ vi. 解释；说明
explanation n.
e.g. Can you explain the reason for the failure?
She explained that she couldn’t come because she was ill.
He explained why he was late.
I don’t understand it. Can you explain?
※ explain 不能接双宾语，即不能说explain sb. sth. ，只能说explain sth. to sb.
e.g. He explained the reason to me.
不能说：He explained me the reason. (╳)
有这样用法的单词还有introduce/ suggest等
3. continue vt. ＆ vi. 继续
（1）vt.
※ continue + doing/ to do 继续做某事
e.g. They continued to work/ working after a short rest.
continue + that 继续说道
e.g. “We must finish the task tomorrow.” he continued.
(2 ) vi.
e.g. The fighting continued for a week.
4. call on 访问；号召
e.g. An old friend called on me the day before yesterday.
The government called on everyone to help those who need help.
※常考的关于call的短语搭配
call for call off call at (some place) call up
需要，要求 取消 访问（某地） 打电话；召集；使想起
call back call in call out
回电话；回想起；召回 召集 大声喊叫
5. bring back 带回来；使恢复
e.g. The music brought us back to the old happy days.
The doctors’ careful attendance brought him back to health.
※常考的关于bring的短语搭配
bring about 造成；带来（变化等）
bring down 使降低；使倒下
bring in 收获（庄稼等）；提出，引进
bring out 出版，生产；使显现
bring up 抚养；提出（议题等）；（船等）停下；呕出
6. at most= at the most 最多，至多
at least= at the least 最少，至少
e.g. I can pay you 10 pounds at (the) most.
It will at least five hundred francs.
7. attend vt. ＆ vi. 出席，参加；照顾，护理
attendance n. 出席；出席人数；护理，照料
attendant n. 出席人；服务员
e.g. attend school/ class 上学/上课
attend a meeting 参加会议
attend a lecture 听报告
Did you attend the meeting yesterday?
She was sick so she didn’t attend her classes.
※attend on sb. = take care of sb.
8. besides （注意区分beside）
（1）adv. 此外，而且（=what’s more; in addition）
e.g. I am very busy. Besides, I don’t want to go.
He helped me to find an apartment; besides, he lent me some money.
（2）prep. 除……之外
e.g. Besides us, there were twelve people in the garden.
I bought some novels besides a Chinese-English dictionary.
※ besides 表示“除……之外（还有）”
except 表示“除……之外”
e.g. They all went there besides me. （除了我以外，他们也都去了那里。）
They all went there except me. （除了我以外，他们都去了那里。）

II.Key points in each part
§Warming up
1. act out 把……表演出来
act as 充当……角色；担任……工作
e.g. Act out the dialogue with your partner.
I don’t understand their language; you’ll have to act as the interpreter.
§Listening
2. What is missing?
辨析missing, lost ＆ gone
三者的共同点：都是adj.， 都有“丢失”的意思。
不同之处：
missing 强调“失踪了、不见了”，有可能还找得回来。
lost 强调“失去的，丧失的”，一般指找不回来了。
gone 强调“过去的，不见了”，但只能做表语。
e.g. My English-Chinese dictionary is missing.
They have found the missing child in the forest.
It’s no use crying over the lost chance.
My pen was lost so I had to buy a new one.
My fever is gone but I still have a cough.
The days are gone when the workers lived a hard life.
§Speaking
3. It seems that it is going to be just another normal day.
But suddenly something unusual happens.
Seem用法总结::
(1)Seem + (to be )+形容词 / 名词 / 介词短语 / 分词(to be可以省略)
e.g. You seem to be in a great hurry. 你好像非常匆忙.
(2)Seem + 不定式(一般式,完成式或进行式)
e.g. He did not seem to have changed. 他似乎没有变。
Several people in the crowd seemed to be fighting.
人群中好像有好几个人在打假。
(3)It seem that ……
It seemed that everyone wa
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