高中英语unit15lessons3-4wordsexpressions练习北师版必修5
WORDS & EXPRESSIONS
access
【语境展示】阅读下面句子，并试着归纳access的意思及用法。
1. The main access to the building is at the side.
2. You need a password to get access to the computer system.
3. Only 40% of 5-year-olds have access to preschool education.
4. Only a few of them had access to the president.
5. The software allows you to access the sales figures in a number of ways.
6. That room can be accessed by a ladder.
【自我归纳】
★access作名词时，意为：①通道，通路，入径（常与to连用）（句1）；②________（常用搭配：get / have access to sth.）（句2~句4）。
★access作动词时，意为：①访问，存取（计算机文件）（句5）；②到达，进入（句6）。【即学即练】写出下面画线单词的词性及意思。
1. Students must have access to a good library. ________ ________
2. She accessed three different files to find the correct information.
________ ________
3. The only access to the farmhouse is across the fields.
________ ________
4. The road is closed but can be accessed by emergency vehicles.
________ ________
set off
【归纳】set off意为：①出发，动身，启程；②使（等）爆炸；③使（警报）响起，拉响（警报）；④引发，激起；⑤衬托，使显得更突出（或更漂亮）。如：I’ll set off early to avoid the traffic.
Any movement could have set off the bomb.
Smoke from a cigarette will not normally set off a smoke alarm.
The fact that the news might be true set off widespread panic.
The white dress set off her long black hair.
【拓展】常见的含set的短语还有：
★set down写下，记下
★set forth 动身，启程；陈述，阐明
access 英语单词
★set out 动身，出发；开始做，着手；安排，摆放，陈列
★set up 建起，设立；引发，产生；安排，策划
【即学即练】用含set的短语的正确形式填空。
1. It took months to find the evidence on who had made and ________ the bomb.
2. The school has ________ a special class to help poor readers.
3. The President ________ his views in a television talk.
4. After the discussion, they were ________ on a new experiment.
urge
【语境展示】阅读下面句子，并试着归纳urge的意思及用法。
1. Daisy urged her horse to jump the fence.
2. Lily urged me to stay, but I refused firmly.
3. Luke urged that a meeting (should) be held next Monday.
4. His doctor urges a change of climate.
5. Mary could hear him urging her on as she ran past.
6. Suddenly Grace had a strong urge to be with her son.
【自我归纳】
◆urge作动词时，意为：①________（句1）；②敦促，力劝（句2和句3）；③竭力主张，强烈要求（句4）。常用于以下结构：urge sb. to do sth.；urge that ...（从句谓语用should +动词原形，should可省略）；urge sb. on（鼓励/激励某人，为某人加油）（句5）。
◆urge作名词时，意为“冲动，强烈的欲望，迫切的要求”。常用搭配：have an urge to do sth.（句6）。
【即学即练】根据汉语意思补全下面句子（每空一词）。
1. 保罗受到他父亲的鼓励而决定再试一次。
________ ________ by his father, Paul decided to try again.
2. 警方正竭力劝说看到此次事故的人立刻联系他们。
Police ________ ________ anyone who saw the accident ________ ________ them immediately.
lack
【语境展示】阅读下面句子，并试着归纳lack的意思及用法。
1. We lacked the strength to walk any further.
2. As he is very rich he lacks for nothing.
3. A lack of food caused her to grow weak.
4. I cannot buy the car because of my lack of money.
5. The plants died for / through lack of water.
6. Mr. Black had no lack of supporters.
【自我归纳】lack既可以作动词，也可以作名词，意为“________”。
★lack作动词时，常用结构：lack sth.; lack ________ sth.（多用于否定句）（句1、句2）。
★lack作名词时，常用结构：(a) lack of 缺乏；for / through lack of因缺乏；no lack of不缺少（句3-句6）。
【拓展】lacking adj. 没有，匮乏，缺乏，不足。常用结构：be lacking in缺乏（某种品质、特点等），不够。如：
Money was lacking to complete the building.
He seems to be lacking in common sense.
【即学即练】根据汉语意思补全下面句子（每空一词）。
1. 艾伦的父母没钱送他上大学。
Alan’s parents ________ ________ ________ to send him to university.
2. 他缺少经验,不能胜任这项工作。
He is unable to do the job ________ ________ ________ ________.
3. 她对我们的接待缺少热情。
Her reception of us ________ ________ ________ warmth.
worthy
【语境展示】阅读下面句子，并试着归纳worthy的意思及用法。
1. Hank was the worthy winner of the competition.
2. Two points in this report are especially worthy of notice.
3. This question is worthy to be considered.
4. He is indeed a worthy man and has led a good life.
5. Many worthy young people have graduated from this school.
6. The town worthies included the doctor and the lawyer.
【自我归纳】
★worthy作形容词时，意为：①________（常用结构：be worthy of ; be worthy to do）（句1~句3）；②有价值的，有意义的，值得尊敬的，有出息的（句4、句5）。
★worthy也可作名词，意为“要人，知名人士”（句6）。
【拓展】worth & worthwhile
★worth作形容词时，意为“有……价值，值……钱”时，其后通常接表示“金钱”或“价值”的名词；worth意为“值得”时，常用结构：be worth sth.; be worth doing sth.。如：
The dictionary is worth more than 100 yuan.
She sometimes asked herself whether it was worth the effort.
The movie is worth watching.
注意：表示“很值得”时要用be well worth。如：The book is well worth reading.

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