The power produced by the waves, tide and wind . Hydrogen .

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问题 The power produced by the waves, tide and wind ______.
Hydrogen ______.

选项 A、is a widely-used fuel
B、is not yet in general use as a fuel
C、is not a particularly easy fuel to store
D、is a more economical fuel than wind energy

答案B

解析细节题。文章最后一句中讲到“unless…we move to the widespread use of a fuel like hydrogen”，这是假设氢燃料的广泛使用，可见氢燃料尚未普遍使用。

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英语

成考专升本

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The power produced by the waves, tide and wind ______. Hydrogen ______.

英语

成考专升本

Thefirstsailorpretendedtobeillbecausehewantedto______.Whichofthefollowingbestsummarizesthepassage?

Althoughthisdiseaseisincurableatpresent,theykeepexpecting______.

Independentschoolsareactuallycalled______.Wecaninferfromthepassagetherewerenotsomanyindependentschools______

Noonecouldtellusanythingaboutthe______stranger.

Evenifit______thisafternoon,Iwillgothere.

Whatkindsofthingshaveactivistsdonetoprotectresearchanimals?Thepurposefortheactiviststobeagainstresearchersi

据说这幅画是毕加索(Picasso)的名作。

Walkanotherblockandcrossthetrafficlights,youwillseethemuseum______righttheleft.

Shewasreadingthenewspaperattentively,butshelooked_____thenewspaperwhensheheardthemtalkingabouther.

Unwantedsound,ornoise,suchasthatproducedbyairplanes,traffic,orindustrialmachinery,isconsideredaformofpollutio

首因效应是指在记忆或社会知觉中，最先出现的信息往往记得牢固和准确或给个体留下的印象最鲜明深刻。下列属于首因效应的一项是()。

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