1、2.The two Chinese scientists have made a wonderful discovery, which marks a major _ in the basic research in the field.A. boom B. business C. burden D. breakthrough【答案】D【解析】繁荣,景气;business事务,事情;burden重担,重负,责任,义务;breakthrough突破。这两个中国科学家做出重大发现,这标志着这个领域的重大突破。3.The government has taken measures to _ the
2、prices of daily necessities to keep the market stable. A. blow down B. break down C. bring about D. bring down4.It was at that moment that I noticed the car was _ up and down as if someone were jumping on it A. booming B. bouncing C. brushing D. braking【答案】B【解析】bounce弹起,bounce up and down上下颠簸。就在那个时候
3、我注意到那辆车在上下颠簸,好像有人在车上蹦跳似的。boom隆隆响;brush轻擦,掠过(某人/ 某物);brake刹车。5.Do you believe that difficult situations or hard experiences _ the best qualities of a man?There is no doubt about that.A. bring in B. bring out C. bring forward D. bring up【解析】bring in 引进;bring out使显出;bring forward 提出;bring up提出。“你相信困难的处
4、境或者艰苦的经历能显现出一个人好的品质吗?”“我深信不疑。”6.A government spokesperson on Friday called for Chinas 500 million Internet users to _ unconfirmedonline rumors.A. boycott B. bear C. advocate D. ban【答案】A【解析】boycott(联合)抵制;bear忍受,容忍;advocate提倡,拥护;ban禁止,取缔。政府发言人周五要求中国5亿互联网用户联合抵制网络谣言。7.He is very aware of what topics he
5、should and should not _ at the conference.A. bring back B. bring about C. bring up D. bring in【解析】bring back送还,带回,使恢复;bring up提出;bring in引进。在会议上,他很清楚自己应该和不应该提出什么样的话题。8.We all _ a sigh of relief when the news came whether no one was injured in the accident. A. balanced B. bore C. breathed D. blessed【
6、解析】breathe a sigh of relief:松了一口气,松了口气,宽慰地舒一口气。当听到事故中没有人受伤的消息传来,我们大家都松了一口气。9.Here we found little snow, as most of it seemed to have been _ the mountain.A. blown up B. blown down C. blown off D. broken down10.When the reached the top of the hill, they _ so they had to stop for a rest.A. held their b
7、reath B. got their breath back C. lost their breath D. out of breath【解析】hold ones breath屏住呼吸;get ones breath back喘过气来;lose their breath喘不过气来;out of breath上气不接下气(不可以作谓语)。当他到达山顶的时候,他们喘不过气来,因此他们不得不停下来休息一会。11.Curiosity is part of childrens nature. They always insist on getting to the _ of everything.A.
8、brand B. background C. basis D. bottom 【解析】get to the bottom of“弄清的底细”,符合语境。好奇心是孩子们的天性,他们总喜欢刨根问底。12.At least 30 percent of the government speeches abandon _ tones and embraced the most popular cyber words developed by Chinese netizens in the past year.A. broken B. bureaucratic C. blind D. broad【解析】b
9、roken违反的,不守约的,(语言)拙劣的,结结巴巴的;bureaucratic官僚的;blind盲目的;broad概括的。至少百分之三十的政府演讲摒弃了官腔并接受中国网民在过去的一年中开发的最流行的网络词汇。13.The government had to _ private houses to make room for new blocks of apartments.A. blow up B. break up C. break down D. blow off【解析】blow up(使)爆炸,炸掉,毁掉,炸毁,破坏,充气;break up分手;break down抛锚,出故障,失败,
10、分解,中断;blow off吹掉。政府不得不炸掉私人住宅为新公寓楼让出空间。14.It is beyond awkward when everyone around you _ laughing at a joke that you do not find funny, especially if its a joke told in a foreign language. A. breaks out B. bursts out C. bursts into D. breaks into【答案】B 15.Witnesses said the security forces use tear g
11、as to _ protests by about 200 people in Teheran, although this cant be independently confirmed.A. break out B. break down C. break up D. break through【解析】break up“解散,驱散”,符合语境。目击者说,安全部队使用催泪瓦斯驱散德黑兰参加抗议活动的200多人,尽管消息还没有得到可靠证实。学*科网16.When we go against what the inner voice say we feel guilty and are _ by
12、 it throughout our lives.A. bored B. buried C. blocked D. bothered【答案】D 【解析】bother“麻烦,烦恼”,符合语境。当我们违心的做了某件事情时,我们会有一种负罪感,并且在一生当中还会时时为这种感觉所烦恼。17.The international community should make every effort together to _ the barriers of fear and unfriendliness which divide the two countries.A. break out B. brea
13、k down C. break through D. break into【解析】break down“化解”,符合语境。国际社会应该尽一切努力化解产生分歧的这两个国家之间的恐惧和敌对的障碍。18.The early warning of floods, _ over the radio and on TV, spread quickly through the area.A. brought B. burst C. broadcast D. backed【解析】broadcast(broadcast, broadcast)“广播,报道”,符合语境。关于洪水的早期警报,通过广播和电视的播送,快速地在这一区域传播开来。19.Modern forms of transportation and communication have done much to _ the isolation(隔离)of life in Alaska.A. break down B. break out C. break into D. break through【解析】break through“突破”,符合语境。现代形式的通讯和运输大大突破了阿拉斯加的孤立生活状态。20.Do
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