外研版 (2019)Unit 3 The world of science课后作业题

这是一份外研版 (2019)Unit 3 The world of science课后作业题，共4页。

1. We read the ________（声明）psted n the bard.
2. The students will have an e in the labratry tmrrw.
3. Real life is smetimes stranger than ________（虚构的事）.
4. Wd flats n the water but m sinks.
5. Making a cmplaint is quite a simple ________（手续）.
6. Synthetic fabrics, like plyester, c electricity well.
7. He tk a very ________（科学的）apprach t management.
8. His success is e due t hard wrk.
9. His ________（描述）f the crime was a cmplete fictin.
10. The bld n his shes was a p f his guilt.
Ⅱ.单句填空
1. They will sign the ________ (declare) tmrrw.
2. We have just tried ________ experiment in chemistry.
3. Tw ________ (flash) mean danger.
4. Cpper and gld are bth ________ (metal).
5. This middle schl is attached ________ a nrmal cllege.
6. Why is it that silver is nt widely used as a ________ (cnduct)?
7. Rckets ften carry ________ (science) instruments.
8. The tw brthers have ________ (entire) different temperaments.
9. The fllwing is ________ accunt f hw the lng March had cme abut and ended in victry.
10. These ________ (prcedure) are highly irregular.
Ⅲ.根据汉语意思完成句子
1.这家医院附属于那所大学。
The hspital ________ ________ ________ that university.
2.格林先生和他的妻子及孩子已经来到了中国。
Mr. Green, tgether with his wife and children, ________ ________ ________ ________.
3.他和我都不能理解她。
Neither he nr I ________ ________ ________ ________ ________.
4.北极熊虽然会游泳，但它们是陆栖动物。
________ ________ ________ ________, the plar bears are terrestrial animals.
5.他不知道她喜欢什么。
He desn’t knw ________ ________ ________.
6.天气不好可能是人来得少的原因。
The pr weather may have ________ ________ the small crwed.
7.直到你给我指出来我才意识到自己的错误。
It ________ ________ yu pinted it ut t me ________ I realized my mistake.
Ⅳ.课文语法填空
Benjamin Franklin’s famus experiment with lightning has intrduced 1 (generatin) f children t science. 2 , new research suggests that the stry nay be fictin instead f fact.
The stry is 3 the scientist flew a kite during a strm in 1752. He raised the kite with a piece f string 4 (tie) t it. A metal key was 5 (attach) t the string. A flash f lightning hit the kite, and electricity 6 (cnduct) thrugh the string t the key. Franklin then tuched the key with his finger and gt an electric shck. This, he said, prved that lightning was a frm f 7 (electric).
Hwever, neither the stry nr the details f the experiment are 8 (entire) true. Scientists all agree that if Franklin had actually tuched the key, he wuld certainly have died 9 the electric shck. In fact, mre than ne accunt suggests that while Newtn was certainly inspired by a falling apple, there is n prf that it hit him n the head.
Fictin is ften 10 (interesting) than the truth. But in science, facts shuld be prved by experiments and research.
1. ________ 2. ________ 3. ________ 4. ________ 5. ________
6. ________ 7. ________ 8. ________ 9. ________ 10. ________
答案:
I. 1. declaratin 2. experiment 3. fictin 4. metal 5.prcedure
6. cnduct 7. scientific 8. entirely 9. accunt 10. prf
II.1. declaratin 考查名词。句意：他们将于明天签署这份声明。the是定冠词，其后应用名词。故填declaratin。
2. an 考查冠词。句意：我们刚才试做了一个化学实验设空处表示泛指，且 experiment以元音音素开头，故填an。
3. flashes 考查名词单复数。句意：两次闪光意味着危险。由句意可知此处应用名词flash，表示“闪光”；flash作“闪光”讲时是可数名词，由Tw和mean可知此处应用其复数形式。故填 flashes。
4. metals 考查名词的数。句意：铜和金都是金属。metal表示不同种类的金属时是可数名词，其前有bth修饰应用复数形式。故填 metals。
5. t 考查固定短语。句意：这所中学附属于一所师范院校。be attached t是固定短语，意为“附属于”，符合句意。故填t。
6. cnductr 考查名词。句意：为什么银没有被作为导体广泛使用？空前有a，说明此处应用名词；根据句意可知此处表示“导体”，故填 cnductr。
7. scientific 考查形容词。句意：火箭经常运载科学仪器。instruments是名词，应用形容词修饰。故填 scientific。
8. entirely 考查副词。句意：他们兄弟俩的性情完全不同。different是形容词，应用副词修饰。故填 entirely。
9. an 考查不定冠词。句意：以下是关于长征是如何发生并以胜利告终的叙述。accunt是可数名词，其前应用不定冠词表示泛指，且以元音音素开头，故填an。
10. prcedures 考查名词单复数。句意：这些程序是非常不合常规的。由These和are可知，此处应用复数形式。故填 prcedures。
Ⅲ.1. is attached t
2. has cme t China
3. am able t understand her
4. Althugh they can swim
5. what she likes
6. accunted fr
7. nt until；that
IV.1. generatins 考查名词单复数。句意：本杰明·富兰克林的著名的闪电实验让一代又一代的孩子接触到了科学。空前没有不定冠词，但空后有f，表明此处应是 generatins f短语，意为“数代的"。故填generatins。
2. Hwever 考查副词。句意：然而，新的研究表明，这个故事可能是虚构的而不是事实。本句和上文是转折关系，且空后有逗号，故填 Hwever。
3. that 考查表语从句。句意：故事讲的是这位科学家在1752年的一场暴风雨中放风筝。is是系动词，其后是表语从句，从句中不缺句子成分，应用that引导。
4. tied 考查非谓语动词。句意：他举着一只系着绳子的风筝。raised是本句的谓语动词，此处应用非谓语动词； 4 （tie）t it是 string的后置定语，且tie和 string是逻辑上的被动关系，应用过去分词作定语。故填tied。
5. attached 考查固定短语。句意：一把金属钥匙系在绳子上。be attached t是固定短语，意为“系在；附着在”。故填 attached。
6. was cnducted 考查时态和语态。句意：一道闪电击中了风筝，电流通过绳子传导到钥匙上。由上文hit和句中的and可知，此处应用一般过去时；cnduct与主语electricity之间是被动关系，应用被动语态。故填was cnducted。
7. electricity 考查名词。句意：他说，这证明了闪电是电的一种形式。a frm f后应接名词。故填 electricity。
8. entirely 考查副词。句意：然而，这个故事和实验的细节都不完全是真实的。true是形容词，应用副词修饰。故填entirely。
9. frm/f 考查固定短语。句意：科学家们一致认为，如果富兰克林确实触摸到了钥匙，他肯定会死于电击。die frm/f是固定短语，意为“死于”，符合句意。故填frm/f。
10. mre interesting 考查形容词的比较级。句意：虚构的故事往往比事实更有趣。由空后的than可知，设空处应用比较级。故填 mre interesting。