Passage 11.If you had to choose the single most important discovery of the 20th century, you would have a real problem on your hands.，我来为大家科普一下关于北师大版英语必修一unit1知识点?以下内容希望对你有帮助!
北师大版英语必修一unit1知识点
Passage 1
1.If you had to choose the single most important discovery of the 20th century, you would have a real problem on your hands.
not a single n.（一个…也没有） 主语句首局部倒装！！！
Not a single mistake ____ he make in the exam last week.
________ Tom shared his idea with us, we would have made more progress.
|
从句 |
主句 | |||
|
与过去事实相反的假设 |
If 主语 had 过去分词 |
主语 should/would/could/might have 过去分词 | ||
|
If you had taken my advice, you would not have failed in the exam. | ||||
|
与现在事实相反的假设 |
If 主语 动词过去式(be 用were) |
主语 should/would/could/might 动词原形 | ||
|
If I had time, I would attend the meeting. If I were you, I should seize the opportunity to go abroad. If he studied at this school, he would know you well. | ||||
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与将来事实相反的假设 |
③ If 主语 should 动词原形 |
主 should/would/could/might 动词原形 | ||
| ||||
当虚拟条件句的谓语动词含有were, should, had时，if可省略，而将were, should, had等词置于句首实行倒装。
If I were at school again, I would study harder. →Were I at school again, I would study harder.
If you had come earlier, you would have caught the bus. → Had you come earlier, you would have caught the bus.
If it should rain, the crops would be saved. → Should it rain, the crops would be saved.
(Paragraph 7) Without the breakthroughs of these pioneers in scence and technology, whether lucky or planned, the world as we know it today would be a completely different place.
含蓄型虚拟语气
But for（要不是）/ Without …… ,
……could/would/should/might do
have done……
Without your help, we couldn’t have finished the work ahead of time.
But for piles of homework and exams, we would live a happy life now
2. make a discovery in…
3.not to mention
4. one’s knowledge of sth. 某人对... 的了解
have a knowledge of … 精通…
5.Medical advances ranged from discovering the causes of diseases under microscopes to staging operations（实施手术) to replace diseased organs with donated ones.
range from… to… 从 ... 到 ... 范围
replace A with B 用B 取代A
stage v. 实施；举行 n.舞台；阶段
After graduation he reached the stage ______ he had to decide what to do next.
6.Communications changed with the introduction of mobile phones and the way we corresponded went from writing letters to emailing and sending instant messages.
①with the introduction of…由于…的引进/使用
②way为先行词时，若从句中主，宾不全，用which/that; 若从句中主，宾全，用in which/that/省略
I hate the way in which /that/省略 he talks to us.
Have you thought out the way which / that we can use∧ to kill the mice?
③go from… to… 从…发展到…
7.Scientist figured out how to split the atom, previously thought to be the smallest particle of matter in the universe（后置定语修饰 the atom）.
figure out计算出；弄清楚；弄明白
I can't figure out how to do this.
Have you figured out how much the trip will cost?
think … to be… 认为…是…
Passage 2
1.Although it is impossible to choose the most important discovery, it is possible single out…
Impossible __it is to choose the most important discovery, …
single out 挑选
They single out the biggest apple.
Passage 3
1.One of the 20tn century premier scientists was Alber …
2.In the summer of 1905, this outspoken man was rocking his one-year-old baby when he was suddenly inspired.
不加冠词的几种情况. 记住以下口诀：一年四季十二月，每周共计七天整；含有day的节日前，物质抽象不可数；头衔称谓学科词，代词名词的中间；专有名词及叠词，棋类游戏同球类；还有体育项目前，用了冠词要不得。
句式： （考查时态与连词）
Sb was/were doing sth when…did… 正在做某事就在那时...
Sb was/were about to do sth when…did…正要做某事就在那时…
Sb had done sth when…did… 刚刚做过某事就在那时…
习题1.Jim was watching (watch) a latenight film at home when,
right in the middle of a thrilling scene, the television went blank.
习题2. (2017·天津高考)I was driving (drive) down to
London when I suddenly found that I was on the wrong road.
I (cover) half the way when it began to rain
2. It showed how a small piece of mass could produce an unbelievable amount of energy.
an (large) amount of n.(不可数)作主语，谓语动词为单数。
(large) amounts of n.(不可数)作主语，谓语动词为复数。
a (large) quantity of n.(可数复数）作主语，谓语动词为复数。
a (large) quantity of n.(不可数）作主语，谓语动词为单数。
(large) quantities of n.(不可数/不可数）作主语，谓语动词为复数
Passage 4
1.He double-checked and saw a blue mould in the dish around which the bacteria had been destroyed（定语从句）.
double-check v. 仔细检查
Mobile phone control is a subject___ which we have
argued for long.
2.mass-produce v. 大批量生产
3. remain humble/modest about…对…保持谦虚
Passage 5
1.cure sb. of sth. curable adj. 可治愈的
2.turn to 向…求助
3.in a joint effort 联合的，共同的
4.nothing like 一点也不像
5.It measured 100 feet long by over 10 feet high and weigh over 30,000 kilograms.
表示“称”的weigh ,表示“测量”的measure后面有具体结果时。（无被动态）。
The old street ______ (measure) ten meters in width will be rebuilt.
6. …, it used so much energy that when it was turned on, the lights in the local town went out.
So much energy___ it use that when it was turned on, the lights in the local town went out.
Such a hard task ____ he face that he didn’t know where to begin.
turn on 打开；攻击
go out 出去；熄灭；过时
Passage 6
1.with the development of computers, people expected to get more things done.
with the development of… 随着…的发展
to do
get sb. / sth.
done
2.With computers talking to one another,…
With all the countries linked in the chain of common interests.(paragraph 7)
3. communicate with 与…交流
4.enable sb. to do sth. 使某人能做某事
5. unimaginable adj.难以置信的；不可想象的
imaginable adj. 可想象的
imagine v.
imagination n.
imagine doing sth.
Passage 7
1.be dedicated/devoted to（介词）sth. / doing sth. 致力于；投身于
devote/ dedicate sth. to （介词） sth. / doing sth 致力于；投身于
_____ (dedicate) himself to his research, he clean forget about his lunch.
_____ (dedicate) to his research, he clean forget about his lunch.
2. transform… into… 把…转变为…
3.There is no doubt about …对…没有怀疑
There is no doubt that…（从句）
There is some doubt whether… （从句）
4. Without the breakthroughs of these pioneers in scence and technology, whether lucky or planned（让步状语从句）, the world as we know it today would be a completely different place.
Whether the breakthroughs were lucky or planned （让步状语从句）
as we know it today 我们今天所了解的
韦氏大词典将其标注为idiom (习语/俗语/惯用语)。意思是“as it exists now”，用中文说就是“现如今存在的形式/状态”。
柯林斯将其定义为phrase (词组/短语)，而不是clause (从句)。
Magazines, as we know it today began publication around 1882.
我们今天所知道的杂志是在1882年开始发行的。
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