職稱英語(yǔ)考試綜合類A完形填空專項(xiàng)練習(xí)題

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2017年職稱英語(yǔ)考試綜合類A完形填空專項(xiàng)練習(xí)題

　　2017年職稱英語(yǔ)考試復(fù)習(xí)已經(jīng)開始，為了幫助大家更好地備考職稱英語(yǔ)考試，yjbys網(wǎng)小編為大家提供了相應(yīng)的練習(xí)題，以下是2017年職稱英語(yǔ)考試綜合類A完形填空專項(xiàng)練習(xí)題，希望對(duì)大家的備考有所幫助�！�2017職稱英語(yǔ)考試時(shí)間】

2017年職稱英語(yǔ)考試綜合類A完形填空專項(xiàng)練習(xí)題

　　The Greatest Mystery of Whales

　　The whale is a mammal (哺乳動(dòng)物) --warm-blooded, air-breathing, giving birth to its young alive, sucking them--and, like all mammals, originated on land. There are many signs of this.

　　__________ (1) front flippers (鰭肢), used for steering and stability, are traces of feet.

　　Immense strength is built into the great body of the big whales, and in fact most of a whale's body is one gigantic muscle. The blue whale's pulling __________ (2) has been estimated at 400 horsepower. One specimen was reposed to have __________ (3) a whaling vessel for seven hours at the __________ (4) of eight knots.

　　An enraged whale will attack a ship. A famous__________(5) of this was the fate of whaler Essex, which was sunk__________(6) the coast of South America early in the last century. More recently, steel ships have had their plates buckled (扭曲變形) in the same way. Sperm whales were known to__________(7) the old-time whaleboats in their jaws and crush them.

　　The greatest mystery of whales is their diving ability. The sperm whale can __________(8) the bosom for his favorite food, the octopus (章魚). __________(9) that search he is known to go as far down as 3,200 feet, where the pressure is 1,400 pounds to the square inch. Doing__________(10) he will remain submerged (水下的 ) as long as one hour. Two feats (絕技) are involved in this: storing up enough __________ (11) (all whales are air-breathed) and withstanding the great change in pressure. Just__________(12) he does it scientists have not determined. It is believed that some of the oxygen is stored in a special system of blood vessels, rather than just held in the lungs. And__________ (13) is believed that a special kind of oil in his head is some sort of compensating mechanism that automatically adjusts the internal pressure of his body. But __________(14) you can't bring a live whale into the laboratory for study, no one __________(15) just how these things work.

　　1.A. Their

　　B. It's

　　C. Theirs

　　D. Its

　　2.A. strength

　　B. width

　　C. height

　　D. length

　　3.A. eaten

　　B. crashed

　　C. towed (拖)

　　D. lifted

　　4.A. distance

　　B. rate

　　C. voyage

　　D. sail

　　5.A. picture

　　B. film

　　C. example

　　D. book

　　6.A. offB. of C. aboveD. over

　　7.A. hit

　　B. seize

　　C. damage

　　D. kick

　　8.A. fly to

　　B. jump on

　　C. dive to

　　D. crawl on

　　9.A. In

　　B. On

　　C. By

　　D. At

　　10. A. so

　　B. such

　　C. above

　　D. the same

　　11. A. water

　　B. oxygen

　　C. energy

　　D. heat

　　12. A. what

　　B. who

　　C. how

　　D. which

　　13. A. it

　　B. he

　　C. she

　　D. there

　　14. A. because of

　　B. due to

　　C. since

　　D. owing to

　　15. A. communicates

　　B. knows

　　C. hears

　　D. develops

　　答案與解析：

　　1.D。從上下文語(yǔ)境看，這里要填入的只是一個(gè)物主代詞，即指出是誰(shuí)的front flippers。前面在談whale時(shí)用的是單數(shù)，所以這里要用單數(shù)的代詞its。

　　2.A。本句是說，鯨魚的力氣之大，藍(lán)鯨的拉力估計(jì)可達(dá)400馬力。除了strength，其他三個(gè)選項(xiàng)和力氣無(wú)關(guān)，分別是寬度、高度和長(zhǎng)度。

　　3.c。本句是說，藍(lán)鯨的巨大拉力表現(xiàn)在它能拉得動(dòng)一艘捕鯨船，所以這里需要填入一個(gè)表示“拉”或“拖”的動(dòng)詞。

　　4.B。本句是說，藍(lán)鯨能以什么速度來(lái)拖這條捕鯨船。在四個(gè)選項(xiàng)中只有rate的意思是“速度”，和speed同義。

　　5.C。本句是說，發(fā)怒的鯨魚會(huì)對(duì)船發(fā)動(dòng)攻擊。下面舉例說明，所以選example。

　　6.A。表示在離開海岸不遠(yuǎn)處用介詞off。

　　7.B。從上下文語(yǔ)境看，in their iaws這個(gè)短語(yǔ)決定了這里只可能用seize這個(gè)動(dòng)詞。鯨魚把古代的捕鯨船咬在嘴里，然后把它咬碎。

　　8.c。從上下文語(yǔ)境看，這里在講鯨魚潛水的本領(lǐng)，所以選c。其他選項(xiàng)fly(飛)，iump(跳)，crawl(爬)，這三個(gè)動(dòng)作都不是鯨魚能做的。

　　9.A。這里考查習(xí)慣搭配，search前面的介詞用in。inthat search意為“在這一搜尋過程中”。

　　10.A。so用來(lái)代替前面所說過的一個(gè)動(dòng)作。這里它指的是sperm whale為了覓食潛至海底3200英尺處。

　　11.B。store up的意思是“儲(chǔ)存”。從上下文語(yǔ)境看，由于鯨魚要在深海中停留一小時(shí)，它當(dāng)然要有儲(chǔ)存氧氣的本領(lǐng)，所以這里要填入的是oxygen。

　　12.c。本句是說，科學(xué)家只知道鯨魚有儲(chǔ)存氧氣和抵御壓力的絕技，但它究竟是怎么做到這一點(diǎn)的，他們卻還不知道。注意這個(gè)句子里的賓語(yǔ)從句被移到前面來(lái)了。正常的語(yǔ)序是：Scientists have not determined how he does it.

　　13.A。這里用的是it is believed that…句型。it是形式主語(yǔ)，指代后面的that從句。這個(gè)that從句是一個(gè)主語(yǔ)從句。

　　14.C。這里缺少的顯然是一個(gè)連接詞，因?yàn)楹竺媸且粋€(gè)從句而不是短語(yǔ)。在四個(gè)選項(xiàng)中只有since是連接詞，另外三個(gè)選項(xiàng)都是復(fù)合介詞，后面都跟名詞，不能跟一個(gè)句子。

　　15.B。從上下文語(yǔ)境看，既然你無(wú)法把一條活的鯨魚搬到實(shí)驗(yàn)室里來(lái)研究，自然沒有人知道這到底是怎么一回事。根據(jù)意思可知此處選knows。

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