高中第二册（上）Unit 1-Unit 2
知识梳理 Ⅰ.网络构建
*undertake *obvious within agriculture *gravity curious branch *debate promising graduate incurable *engage research *wheelchair *theory disable seek misunderstand scientific *observe observation match unhappiness *microscope *telescope heaven *intelligent patient experiment *media *reliable 单词 *editor reason *elect *injure *headline informed inform relate *talent *talented *switch present effort spiritual 词汇 seldom social attention *critical *source affair telegram *locate *retire complete *overseas *bore *attitude disappoint guard *responsible *troublemaker *caring citizen polluter arm comparison work on go by *be /get engaged to sb. go on with dream of turn out use up be satisfied with take a look at what if the other way 词组 around go up burn down relate（...）to for once even if draw attention to on all sides change one’s mind current affairs look up to fall in love with... 语法 动词不定式 过去分词 Ⅱ.重点精讲 ●重点单词 1.promise
例句集锦
n.
（1）I gave her my promise and I will keep it. 我答应了她就会遵守诺言。
I am under no promise to help him. 我没有允诺要帮助他。
He made a promise that he would give up smoking. 他许下诺言要戒烟。
（2）He showed considerable promise as a tennis player. 他显示相当有希望成为网球选手。 The weather gave promise of warmth.
天气有希望变暖和。
v.
（1）She promised me her help. 她答应给我帮助。
She promised not to tell anyone. 她答应不告诉任何人。
I promised him to be there at noon. 我答应他中午到达那里。
They promised（us）that the work should be done next week. 他们答应（我们）那件工作在下星期做好。 （2）The clear sky promises fine weather. 无云的天空预示着晴天。
His childhood did not seem to promise much. 他的童年时代似乎并未显出有多大前途。 It promises to be fine tomorrow. 明天可望天晴。
（3）I can’t promise,but I’ll do my best. 我无法答应，不过我会尽力而为。 —Alice is not coming tonight. 爱丽丝今晚不来。
—But she promised!但她答应了！ （4）She promises well as a singer. 她很有希望当歌星。
（5）Jack is a promising youth. 杰克是有前途的青年。 The weather is promising. 天气可望转好。
用法归纳
*promise 可用作名词和动词。主要义项有：诺言；约定；前途；希望；答应；允诺；有（??）希望；预示；可望。用作及物动词时，其搭配形式为：+名词；+双宾；+不定式；+that 从句。
特别提示
在promise somebody to do something 结构中，不定式to do something 作直接宾语，该动作是由主语发出的，而不是作宾补。
2.observe
例句集锦
v.
（1）An astronomer observes the stars. 天文学家观察星辰。
Please observe how I do this. 请注意看我是怎么做的。
（2）I observed a glimmer in the dark. 我看到黑暗中的微光。
I observed him enter the bank. 我看到他进入了那家银行。
（被动式要用不定式：He was observed to enter the bank.） I observed a stranger entering the house. 我看到一个陌生人进入该屋。
He observed that it looked like rain. 他注意到似乎要下雨了。
（3）observe the speed limit 遵守速度限制 observe silence 信守沉默，保持安静 （4）“It may rain,”he observed. “可能会下雨，”他说。
She observed that he looked unhappy. 她说他看起来不快乐。 （5）observe closely 注意看 （6）No one observed on the matter. 没有人评论那件事。 n. observation
He made observations of the customs of the natives. 他观察了当地人的习俗。
They were under observation by the police. 他们受到警察监视。
用法归纳
*observe 可用作动词（vi.＆vt.），主要义项有：观察；监视；认识；注意到；遵守；庆祝；说；评论。
作及物动词时，主要搭配形式为：+名词；+从句；+不定式、分词的复合宾语。
特别提示
observe 后跟不带to 的不定式作宾补，但把此结构变为被动语态时要跟带to 的不定式。
3.present
例句集锦
adj.
（1）Those present were all college students. 出席者全为大学生。
Only a few students were present at the party. 只有少数学生出现在那个聚会。
（2）at the present time [day] 现在，现今 The present chairperson is a woman. 现在的主席是一名妇女。
n.
（1）for the present 目前；暂且 up to the present 到现在为止；到目前
（2）I gave her a dictionary as a birthday present. 我给她一本词典作为生日礼物。 We made a present of a vase to him. 我们将一个花瓶赠送给他。
v.
（1）He presented a gold watch to me. （=He presented me with a golden watch.） 他送给我一只金表。
The waiter presented the bill to me. （=The waiter presented me with the bill.） 侍者把账单交给我。
（2）present one’s best respects to a person向某人问候 Present my greetings to Mr Jones. 请代我向琼斯先生问候。
（3）May I present Mr Jones（to you）? 请让我介绍琼斯先生给你好吗？
（4）He presented himself at my office. 他出现在我的办公室。
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