2017年英语四级完形填空练习及解析（2）

　　Section A

　　Directions：In this section，there is a passage with ten blanks.You are required to select one word for each blankfrom a list of choices given in a word bankfollowing the passage.Read the passage through carefully before making your choices.Each choice in the bank is identified by a letter.Please mark the corresponding letterfor each item on Answer Sheet 2 with a single line through the centre.You may not use any ofthe words in the bank more than once.

　　Questions 36 t0 45 are based on thefoRowingpassage.

　　Electronic cigarettes will face new(36)__________in the US，the US Food and Drug Administra-tion(37)__________yesterday.These will include curbs on sales to minors and distribution of fi'ee samples，as well as provisions forcing manufacturers to place heA.th warnings on packaging.

　　The long-awaited proposals—which also demand that the manufacturers should disclose all the ingredients in details and make claims of(38)__________risk only if scientifically validated--are less stringent(严厉的)than the Europe legislations voted on in February.(39)__________the proposed restrictions doing nothing to control advertising or curbing the sale offlavored products with names such as“Very Berrylicious”，(40)__________of e-cigarettes claim that they are more(41)__________and scientific than the EU rules.

　　“This is much less onerous than the European Tobacco Products directive，”says Gerry Stimson，a UKconsultant who supports“least harm"’solutions to health problems.“It is clear that the FDA process，(42)__________the EU，follows the science，but this is just a first step and the regulatory process could take years，duringwhich the products and the market will develop.”

　　The proposals will likely(43)__________further debate for and against e-cigarettes，which call resemble real cigarettes but contain no tobacco，only a vaporized form of pure nicotine that users breathe in and out.

　　Backers of e-cigarettes say they have great(44)__________to help hardened smokers quit or cut down，because unlike other nicotine replacement products，they closely(45)__________cigarettes，both in appearance and use.

　　A.popular

　　B.restrictions

　　C.potential

　　D.importance

　　E.despite

　　F.provoke

　　G.announced

　　H.like

　　I.resemble

　　J.proponents

　　K.maintain

　　L.pragmatic

　　M.claim

　　N.reduced

　　O.unlike