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1、高二英语 单词典句考点（Unit 20NEW FRONTIERS） 北师大版选修7四点剖析单词典句考点1. assist vt. 帮助；协助经典例句 Li Hua has been assisting me with my English.李华一直帮助我学习英语。The designer asked me to assist him in designing a new building.设计者要我协助他设计一座新建筑物。考点聚焦1）派生词：assistance n. 协助, 援助, 补助； assistant n. 助手, 助教2）同义词：help vt. 帮助3) 固定搭配。assist
2、sb. with/in doing/sth. 帮助某人做某事。如：I assist my mother with/in doing housework every Sunday.我每个星期天帮助我妈妈整理家务。4）assist vi. 帮助；协助, 常和介词with/in连用。He assisted in designing the new bridge.他协助设计那座新桥。5）assist vi. 到场, 出席，参加，和介词in/at连用。如：She refused to assist at the reception for reasons unknown.不知什么缘故她不肯出席招待会。W
3、e assisted at the graduation ceremony last Monday.上周一我们参加了毕业典礼。6）短语：assist sb. to his feet搀扶某人站起来活学活用1. 选词填空Dont be nervous. The police will _ you in finding her address. （assistant，assist）答案:assist2. emotional adj. 感情的巧记提示 emotion（感情）-al（形容词后缀）经典例句 Sometimes emotional problems might lead to serious
4、 results.有时候情绪问题会导致严重的结果。考点聚焦1）派生词： emotionalize v. 使激动, 使动情；emotionally adv. 在情绪上;emotionless adj. 不露情感的, 没有情感的。2）emotional adj. 感情的。如：Winning gave us emotional satisfaction.获胜给予我们感情上的满足。3）emotional adj. 易动情的;感情脆弱的。如：She is an emotional actress.她是个善于表达情感的演员。活学活用2. 汉译英他的动人的演说鼓励了我们。_答案:His emotional
5、speech encouraged us.3. technical adj. 技术的巧记提示 technic（技术, 手法）-al (形容词后缀)经典例句 To build this machine，you must have technical ability.要制造这台机器，你们必须有技术能力。考点聚焦1)派生词： technicalize vt. 使技术化, 使专门化; technically adv. 技术上, 学术上, 工艺上; technician n. 技术员, 技师2) technical adj. 技术的，工艺的，技能的。如：He is looking for a techn
6、ical job.他正在寻找一个技术性的工作。活学活用3. 单项填空The job calls for _ skill.A. technicallyB. technicianC. technicD. technical答案:D4. handy adj. 方便使用的巧记提示 hand（手）-y（形容词后缀）经典例句 The school is close to our houses, so it is quite handy for the children.学校离我们家很近, 所以孩子们上学很方便。A vacuum cleaner is a handy household tool.吸尘器是一
7、种方便使用的家庭用具。考点聚焦1）同义词：useful adj. 有用的，有益的2）反义词：unhandy adj. 不方便的3)handy常和介词for连用。常作表语或定语。如：This is a handy little safety box. 这是一只方便使用的小保险箱。This house is handy for the market. 这房子离市场很近。4）固定搭配：sB. be handy with. . . 某人善用某种工具sth. is handy. 某物就在附近sth. come in handy. 某物迟早有用活学活用4. 汉译英王老师善于言谈。_答案:Mr. Wang
8、is handy with words.5. shortly adv. 不久;很快巧记提示 short(短的)-ly（副词后缀）经典例句 I shall be seeing him shortly.我不久就会见到他。Shortly afterwards, the police stopped the car and both men were arrested.过了没有多久, 警察截住了那辆汽车, 两个贼都被抓获了。考点聚焦1)派生词：shortly adj. 立刻;不久;简短的2）合成词：shortsighted adj. 近视的, 眼光短浅的;shortwave n. 短波;shortwe
9、ight n. 重量不足, 短斤缺两3）短语shortly after. . . 之后立即；shortly before. . . 之前不久。活学活用5. We left shortly after six and we arrived _ the film started.A. shortly beforeB. short afterC. soonD. at once答案:A6. assess vt. 评价；评估经典例句 Damage caused by the flood to the village was assessed at $40, 000.洪水给这个村子造成的损失估定为4万美元
10、。考点聚焦1)派生词：assessment n. 估价, 被估定的金额2)assess常用于被动结构，后面接介词at。如：The annual income of teachers in this place was assessed at900.这地方的学校教师的收入为900美元。3)assess vt. 征税, 罚款。如：They assessed a tax of 300 yuan on me last month.上个月他们向我征税三百元。4)注意下列短语的用法:assess sb. at. . . 给某人估算assess tax on sb. s property对某人的财产征税as
11、sess sb. s efforts评价某人的工作活学活用6. 汉译英现在来评价新法规的效果为时尚早。_答案:It is too early to assess the effects of the new legislation.7. invest vt. 投资巧记提示 in(在里)+vest(衣服)经典例句 The state has planned to invest two millions in the dam.国家计划投资两百万元修建这个大坝。考点聚焦1)派生词：investable adj. 可供投资的2）invest vt. 投资, 投入。如：He invested all h
12、is money in his education.他把钱全部投入他的教育中。3) invest vt. 投入精力、时间等, 常与介词in连用。如：Ive invested a lot of time and effort in this plan.我已在这计划中投入了大量的时间和精力。She invested in a painting.她投资于一幅油画。4）invest vt. 笼罩;包围。如：Fog invests the city.大雾笼罩城市。The enemy invested the city and cut it off from our army.敌人包围了城市, 并把它同我
13、们的部队隔绝。5）invest vt. 授予, 和介词with连用。如：The trade union is invested with the power to call a strike.工会被授予号召罢工的权力。活学活用7. 单词拼写He i _ a lot of money and time in trying to help disabled children.答案:invested8. rescue vt. 拯救；救援经典例句 He rescued three children from the burning building.他从失火的建筑物中救出了三个孩子。The life
14、boat was sent out to rescue the sailors from the sinking ship.救生艇被派出去救沉船的水手。考点聚焦1）派生词：rescuer n. 救助者；rescuee n. 被营救者；rescuable adj. 可营救的, 可救援的2）rescue sb. /sth. from v. 营救某人。如：We rescued the boy who fell into the river.我们救起了掉进河里的小孩。3) come to sb. s rescue= go to sb. s rescue进行援救. 如：We came to his rescue and pulled him out of the river.我们来救他，把他从河里拉了出来。4）短语：search and rescue搜索和营救rescue party援救队9. original adj. 最早的；起初的巧记提示 origin（起源）+-al（形容词后缀）经典例句 Who was the original owner of this house?谁是这座房子最早的主人？The original price of the car was a bit too high.这辆汽车的原价太高了一点。考点聚焦1)派生词：originate vt. 引起
