成人英語三級《完形填空》專項(xiàng)沖刺試題(8)
相關(guān)推薦:成人英語三級《完形填空》專項(xiàng)沖刺試題匯總
成人英語三級《完形填空》專項(xiàng)沖刺試題(8)
Dalton wondered why the heavier and lighter gases in the atmosphere did not separate as oil and water do.He finally concluded that the constituent 1 must exist in the form of 2 particles or atoms and that these 3 be completely mixed together in the 4 .This threw a new light in 5 laws of definite proportions.It was 6 necessary to suppose that the atoms 7 combinesintossmall groups of uniform 8 and so form more complex substance; 9 the mystery of this law was 10 .Dalton suggested, for example, that carbon monoxide 11 formed by the one with one 12 of atoms of carbon and oxygen, 13 carbon dioxide results from a single 14 of carbon uniting with two atoms 15 oxygen.Assuming this to be true, 16 the definite proportions of Prout's law ( 17 all chemical compounds the different constituents 18 enter in unvarying proportions) would naturally 19 the relative weights of the many 20 kinds of atoms.
1.A.gases B.pieces C.things D.gas
2.A.timely B.trimmed C.tiny D.topical
3.A.ought B.could C.will D.must
4.A.sky B.atmosphere C.oxygen D.environment
5.A.various B.many C.the D.those
6.A.only B.too C.that D.extremely
7.A.should B.were C.get D.could
8.A.construct B.structure C.piece D.feature
9.A.but B.also C.thus D.nevertheless
10.A.solved B.discovered C.broked D.told
11.A.must B.been C.were D.is
12.A.putting B.pairing C.placing D.preparing
13.A.while B.when C.therefore D.also
14.A.piece B.type C.atom D.measure
15.A.from B.in C.of D.for
16.A.then B.so C.by D.that
17.A.from B.in C.to D.for
18.A.are B.wouldn?t C.always D.never
19.A.describe B.unit C.mix D.reveal
20.A.different B.usual C.important D.chemical
參考答案
1.【答案】A
【解析】根據(jù)上文中的heavier and lighter gases可以確定,本空中應(yīng)填入“組成的氣體”,即constituent gases.
2.【答案】C
【解析】根據(jù)句子意思判斷,句中的詞意為微粒的意思,選項(xiàng)C.tiny合乎題意。
3.【答案】D
【解析】情態(tài)動詞must在這里是“必定、必須”的意思。
4.【答案】B
【解析】sky意為“天空”,atmosphere意為“大氣”,oxygen意為“氧氣”,environment意為“環(huán)境”,只有B項(xiàng)正確。
5.【答案】C
【解析】這幫助解釋了大氣組成氣體的比例確定原理。因?yàn)槭翘刂高@一原理,用定冠詞the.
6.【答案】A
【解析】only necessary的意思是“僅僅是必要”。故A正確。
7.【答案】D
【解析】根據(jù)句子意思判斷,could是“能夠”的意思。
8.【答案】B
【解析】根據(jù)句子意思判斷,這里需要“結(jié)構(gòu)”這個詞,而B合乎題意。
9.【答案】C
【解析】but,nevertheless表示轉(zhuǎn)折意為“但是”,“然而”;thus意為“因此”,如There has been no rain.Thus, the crops are likely to suffer.一直沒有下雨,因此莊稼可能會受害。這里與上文有因果關(guān)系,故應(yīng)選C.
10.【答案】A
【解析】solve相當(dāng)于find a solution or an answer to,意為“解決”、“解開”,如:solve a problem (a puzzle, a mystery);discover相當(dāng)于find something existing but not known before,意為“發(fā)現(xiàn)”,如: discover a place (a fact, the truth)。因此應(yīng)選A.
11.【答案】D
【解析】因?yàn)槭潜硪话阋?guī)律,又是單數(shù),所以用is這個詞。
12.【答案】B
【解析】Pair這里是“匹配,配成雙”的意思。
13.【答案】A
【解析】while表示對比。如:Some substances are soluble, while others are not.一些物質(zhì)是可溶的,而另一些物質(zhì)是不可溶的。
14.【答案】C
【解析】根據(jù)句子意思判斷,atom正確。
15.【答案】C
【解析】of表示“含量,分量”。
16.【答案】A
【解析】then的意思是next,after that.
17.【答案】D
【解析】for的意思是“對于,就……而言”。
18.【答案】C
【解析】根據(jù)句子意思判斷。
19.【答案】B
【解析】describe意為“描述”;unite意為“結(jié)合,合并”;mix意為“(不同的東西)混合在一起”,如:mix flour and water;reveal意為“揭露,揭示”。
20.【答案】A
環(huán)球網(wǎng)校友情提示:備考2020年成人英語三級考試的考生,為避免錯過考試報(bào)名,建議您 免費(fèi)預(yù)約短信提醒服務(wù),屆時會有短信提醒。更多成人英語三級其他題型答題技巧、備考指導(dǎo)、復(fù)習(xí)精華資料,點(diǎn)擊下方按鈕,免費(fèi)下載!
最新資訊
- 2024年成人英語三級學(xué)位英語作文高分例句備考指南2024-07-18
- 考生必備!成人英語三級備考攻略詳解2023-12-12
- 2023年成人英語三級考試口語??季湫?00例2023-10-27
- 2023年備考資料:成人英語三級完形填空練習(xí)題2023-06-24
- 2023年備考攻略:成人英語三級詞匯記憶小秘訣2023-06-22
- 2023年備考攻略:成人英語三級考試大綱2023-05-22
- 2023年備考攻略:成人英語三級學(xué)習(xí)技巧2023-05-21
- 2023年成人英語三級考試備考三大誤區(qū)2023-05-01
- 速看!2023年成人英語三級考試備考方法2023-04-19
- 2023年備考資料:成人英語三級考試英語寫作萬能模板(二)2023-04-04