2021四川農(nóng)業(yè)大學(xué)一年級英語專業(yè)完形填空練習(xí)題(8)

1、1 2021四川農(nóng)業(yè)大學(xué)一年級英語專業(yè)完形填空練習(xí)題the world.s longest bridgerumor has it that a legendary (傳說的 ) six-headed monster lurks in the deep waters of the tyrrhenian sea between italy and the island of sicily._ (46) when completed in 2010,the worlds longest bridge will weigh nearly 300,000 tons-equivalent to the i

2、ceberg that sank the titanic- and stretch 5 kilometers long. thats nearly 50 percent longer than any other bridge ever built, says structural engineer shane rixon._ (47) theyre suspension bridges, massive structures built to span vast water channels or gorges (峽谷). a suspension bridge needs just two

3、 towers to shoulder the structures mammoth ( 巨大的)weight, thanks to hefty (高強(qiáng)度的 )supporting cables slung between the towers and anchored firmly in deep pools of cement at each end of the bridge. the messina strait bridge will have two 54, 100-ton towers, which will support most of the bridge s load.

4、the beefy (結(jié)實(shí)的 )cables of the bridge, each 1.2 meter in diameter, will hold up the longest and widest bridge deck ever built.when construction begins on the messina strait bridge in 2005, the first job will be to erect two 370 meter-tall steel towers. _ (48) 2 getting these cables up will be somethi

5、ng. its not just their length - totally 5.3 kilometers - but their weight. _ (49)after lowering vertical suspender cables from the main cables, builders will erect a 60 meter-wide 54,630-ton steel roadway, or deck-wide enough to accommodate 12 lanes of traffic.the decks weight will pull down on the

6、cables with a force of 70,500 tons. in return, the cables yank (拽) up against their firmly rooted anchors with a force of 139,000 tons-equivalent to the weight of about 100,000 cars. those anchors are essential. _ (50)a. some environmentalists are against the project on biological grounds.b. what do

7、 the worlds longest bridges have in common?c. if true, one day you might spy the beast while zipping (呼嘯而過 ) across the messina strait bridge.d. theyre what will keep the bridge from going anywhere.e. the second job will be to pull two sets of steel cables across the strait, each set being a bundle

8、of 44,352 individual steel wires.3 f. they will tip up the scales at 166,500 tons-more than half the bridges total mass.試題答案及解析46.c。選項(xiàng) c 中有一個(gè)關(guān)鍵詞beast ，與第一句中的monster相呼應(yīng)。所以 c 是答案。47.b。 第二段第二句的主語是they 。 由于表語是 suspension bridges， they替代的一定是前面句子出現(xiàn)過的bridges 。六個(gè)選項(xiàng)中，只有b 含有 bridges 。填在第二段段首，意思連貫。48.e?？瞻滋幥懊娴木渥又杏衪he first job這幾個(gè)詞。有 first ，必有second/then。六個(gè)選項(xiàng)中，只有e 含有 the second job，所以 e是答案。49.f?？瞻滋幥?/p>