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1、word第一篇Climate change has claimed its latest victim：Limacina helicina，a planktonic，predatory(捕食的)sea snail thats a member of the taxonomic group more(36)_ known as sea butterflies(The name is(37)_ from the wing-like lobes(叶瓣)the tiny creatures use to get around)In a study(38)_ published in joumal Pr
2、oceedings of the Royal Society B，a group of scientists from the National Oceanic and Atmospheric Administration (NOAA)and Oregon State University have found that the Pacific Oceans decreasing pHits acidifying(酸化)，in other words-is dissolving Lhelicinas thin shellsThe researchers collected sea butter
3、fly(39)_ from 13 sites along the Pacific coast(between Washington and southern California，going over each with a scanning electron microscopeMore than half of the shells(53)from onshore individuals(40)_ signs of“severe dissolution damage，”while 24of(41)_ individuals suffered dissolution damageThe st
4、udys(42)_ investigator,Dr. NinaBednarsek of NOAA，described the affected Lhelicina shells as having a texture not unlike“cauliflower”or“sandpaper”According to the paper，there was a“strong positive(43)_ ”between the proportion of sea butterflies with severe shell dissolution damage and“the percentage
5、ofundersaturated(未达到饱和的)water”near the oceans surfaceThe researchers conclude“shell dissolution owing to(humancaused ocean(44)_has doubled in near shore habitats since preindustrial conditions across this region and is on track to triple by 2050，”a truly(45)_ predictionMoreover,the broader implicati
6、ons for ecosystem are unclear,as damaged shells make it harder for Lhelicina to fight infections，stay buoyant，and protect themselves from predators / A.showedB.recentlyC.protectedD.monlyE.derivedF.samplesG.offshoreH.principalI.noticedJ.correlationK.encouragingL.seawardM.acidificationN.grimO.pollutio
7、n词性归类答案解析第二篇The social network will let users“mute”messages from other users on their timelines without the muted persons knowledge，thereby avoiding the(36)_process of having to unfollow(取消关注)，or put up with，your(37)_talkative IRL friendsTwitter rolled out new(38)_to let users better manage the delu
8、ge(泛滥)of tweets they receiveUsers can now“mute”people they follow, removing those peoples tweets and retweets from their own timelinesThe muted person wont know that he or she has been(39)_Its a stealthy way to read less content from certain users without having to unfollow themA person can easily b
9、e muted or(40)_atany time，Twitter said in a blog post“Mute gives you even more(41)_over the content you see on Twitter by letting you remove a users content from key parts of your Twitter experience，”the pany saidThough Twitter had been experimenting with the feature in recent weeks，it announced tha
10、t muting will be(42)_to all users of the panys iOS and Android apps，as well as the Twitter websiteSome other Twitter applications，like TweetDeck，already allowed mutingThe feature is part of Twitters(43)_strategy to make its service more accessible to a wider range of peopleFollowing a successful ini
11、tial public offerin9，Twitters stock has tumbled in recent months as investors worry about the social networks(44)_to attract new usersCEO Dick Costolo(45)_that Twitter would make changes to its interface this year to make it easier to understand and manageThe pany overhauled(彻底检修)user profile pages
12、in April as part of this effortA. silencedB. awkwardC. unmvtedD. featureE. embarrassmentF. unfollowedG. controlH. extremelyI. overallJ. vowedK. generallyL. abilityM. acceptedN. availableO. characters词性归类答案解析第三篇The poll of 2,000 adults in England was(36)_out as part of the governments drive to curb p
13、eoples drinking habitsThe campaign also stresses that a heavy drinking session is often(37)_by an unhealthy breakfast，which again helps to pile on the poundsThe Know Your Limits campaign has in the past focused on other(38)_0f drinking，such as disease riskBut to(39)_with the focus on weight，the Depa
14、Ihiient of Health carried out research showing a regular beer drinker,who downed(喝)five pints a week or 250 over the(40)_of a year,packed away the same number of calories as someone eating 22 1 doughnuts over the space of 12 monthsIt also revealed the average wine drinker consumed 2,000 calories eac
15、h monthover the course of a year,that is the(41)_ofeating all extra 38 roast beefdinnersHealth minister Phil Hope said，“Regularly drinking more than our(42)_daily limits can have a knock-on effect on our health，including an expanding waistline“Its not only the calories in the drinks themselves that can help to pile on the pounds，were also more(43)_t
