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1、-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 ta*onomic 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 Proce
2、edings 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 butterfly
3、(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 ofsevere dissolution damage，while 24of(41)_ individuals suffered dissolution damageThe studys(
4、42)_ investigator,Dr. NinaBednarsek of NOAA，described the affected Lhelicina shells as having a te*ture not unlikecauliflowerorsandpaperAccording to the paper，there was astrong positive(43)_ between the proportion of sea butterflies with severe shell dissolution damage andthe percentage ofundersatur
5、ated(未到达饱和的)waternear the oceans surfaceThe researchers concludeshell 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 implications for ecosyst
6、em are unclear,as damaged shells make it harder for Lhelicina to fight infections，stay buoyant，and protect themselves from predators. z-A.showedB.recentlyC.protectedD.monlyE.derivedF.samplesG.offshoreH.principalI.noticedJ.correlationK.encouragingL.seawardM.acidificationN.grimO.pollution. z-词性归类答案解析第
7、二篇The social network will let usersmutemessages 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 deluge(泛滥)of twe
8、ets they receiveUsers can nowmutepeople 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 be muted or(40)_
9、atany time，Twitter said in a blog postMute 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 e*perience，the pany saidThough Twitter had been e*perimenting with the feature in recent weeks，it announced that muting will be(
10、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 initial public offer
11、in9，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 in April as part
12、of this effort. z-A. silencedB. awkwardC. unmvtedD. featureE. embarrassmentF. unfollowedG. controlH. e*tremelyI. overallJ. vowedK. generallyL. abilityM. acceptedN. availableO. characters. z-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 peoples dr
13、inking 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 DepaIhiient o
14、f 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 each monthover the course of a year,that is the(41)_ofeating all e*tra 38 roast beefdinnersHealth minister Phil Hope said，R
