Words and expressions
come up
工业燃烧器【寓词于境】阅读下列句子，并试着总结come up在句中的含义及用法。
1. The final exam is coming up soon. It’s time for us to start our studies.
2. Come up to the front of the room, plea.义和团运动
3. The eds come up in spring.
4. A few new questions came up at the meeting.
【自我归纳】come up意为：______（句1）；______（句2）；______（句3）；______（句4），用主动语态。
【拓展】come up with意为“提出，想出”。如：
He came up with a new suggestion.
【联想】含come的其他短语：
come about发生，造成______跟着来，到来
______ 谈到，涉及______ 出版
______ 快点吧；得了吧（表示知道某人所说的话不正确）
【即学即练】从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
1. —Now, where is my pur?
—______! We’ll be late for the picnic.
A. Take your time
B. Don’t worry
C. Come on
D. Take it easy
2. It’s already 10 o’clock. I wonder how it ______ that she was two hours late on such a short trip.
A. came over
B. came out
C. came about
D. came up
3. Most of us know we should cut down on fat, but knowing such things isn’t much help when it ______ shopping and eating.
A. refers to
B. speaks of
C. focus on
D. comes to
4. The eds I sowed last week haven’t ______ yet.
A. come up
B. come about
C. come out
D. come on
play a part (in)
[语境展示] 阅读下列句子，注意play a part (in) 的意思。
1. Nowadays English plays an important part in our daily communication.
2. He played the part of the prince in our school play.
[自我归纳]
play a part (in)的意思是______（句1）; ______（句2）。
[联想] 类似的短语是play a role (in)。
[即学即练] 翻译下列句子。
1. 勇气对说好英语起着很重要的作用。
2. 他在剧中扮演主角。
Request
[寓词于境] 阅读下列句子，注意request的词性及用法。
1. He went to Jinan at the request of his manager.
2. May I request you to stop talking?香蕉奶昔的做法
3. She requested that we should go home right now.
[自我归纳]
a. request作______词（句1），常见短语是at the request of / at s
b.’s request，意思是______；
b. request作______词（句2、句3），常构成短语request sb. to do sth.，意思是______；
c. request后可接从句，从句中的谓语动词用should + 动词原形，should常可省略。
[即学即练] 根据括号内的提示完成句子。
1. I requested that nobody ______ (上课迟到) tomorrow.
2. The president attended the meeting ______ (应我们的要求).
Ba
【寓词于境】阅读下列句子，并试着总结ba在句中的词性、含义及用法。
1. I bad hopes on the news we had yesterday.
2. This novel is bad on historical facts.
3. The ba of the hou is strong.
4. Karl Marx made London the ba for his revolutionary work.
5. The air ba was attacked by the enemy.
【自我归纳】ba作______词，意思是______（句1和句2），常用短语是：ba sth. on / upon sth.，常用其被动形式be bad on / upon。ba作______词，意思分别是______（句3）；______（句4和句5）。
【即学即练】用ba的适当形式填空。
1. This book ______ on a true story.
2. Mary always ______ her ideas on scientific experiments.
3. There is a door at the ______ of the tower.
Straight
[寓词于境] 阅读下列句子，注意straight的词性及用法。
1. Her sister is a girl with straight black hair.
2. Go straight ahead along the road and you will find the cinema.
3. Without wind the smoke ro straight up.
[自我归纳]
straight作______词（句1），意思是______; 作______词（句2和句3），意思是“不拐弯地，笔直地，直地”。
[注意] straight既是形容词，也是副词，副词与形容词同形。
[拓展] straighten v. 使……变直。如：
I straightened my tie and walked in.
[即学即练] 翻译下列句子。
1. 放学后直接回家来。
工程实训2. 他累得走都走不直了。
3. 他们坐在一条直线上。
Recognize
[寓词于境] 阅读下列句子，注意recognize的用法。
1. I can hardly recognize my classmate after five years.
2. The United Nations recognized the new government.
简易图3. We recognized him to be a great man.
4. White Pollution is recognized as one of the rious problems.
[自我归纳]
recognize 的意思是______（句1），______（句2）；常见短语recognize sb. as / to be 的意思是______（句3、句4）。
[联想] 类似的短语是consider ... as / to be。
[即学即练] 根据括号内的提示完成句子。
1. —Oh, it’s you! I ______ (没有认出) you.
—I’ve just had my hair cut, and I am wearing new glass es.
2. Tom ______ (被认为是) the tallest boy in our class.
Becau of
【寓词于境】阅读下列句子，并试着总结becau of在句中的含义及用法。
1. Becau of the heavy rain, we had to stay at home.
2. I bought this dress becau of its beautiful color.
3. They didn’t climb the mountain becau of the rain．
酿酒的过程【自我归纳】becau of意为“因为……”，后跟______或代词。
【联想】becau也意为“因为……”，是连词，后接从句。如：
什么是涨停
He was worried becau he hadn’t had any letter from his son.
【即学即练】根据汉语提示，完成下列句子。
因为污染严重，许多美丽的鱼正在迅速消失。
Many beautiful fish are fast disappearing ______ ______ the vere pollution.
Many beautiful fish are fast disappearing ______ the pollution is vere.
参考答案：
come up
【自我归纳】到来；走近；长出来；被提出
【联想】come along; come to; come out; come on
【即学即练】1-4 CCDA
play a part (in)
[自我归纳] 起作用；扮演……角色
[即学即练]
1. Courage plays an important part / role in speaking English well.
2. He played the leading role in the play.
request
[自我归纳]
a. 名；应……的要求
b. 动；请求某人做某事
[即学即练]
1. (should) be late for class
2. at our request / at the request of us
ba
【自我归纳】动；以……为根据；名；根基，基础；基地【即学即练】1. is bad 2. bas 3. ba
straight
[自我归纳] 形容；直的；副五年级上册数学小报
[即学即练]
1. Come straight home after school.
2. He was too tired to walk straight.
3. They sat down in a straight line.
recognize
[自我归纳] 认出；承认；认为……是……
[即学即练]
1. didn’t recognize
2. is recognized as / to be
Becau of
【自我归纳】名词
