【答案解析】网上购物十分方便，以至于现在很多人感到它不可或缺。但如果进行自我诊断并在网上购买药物，医生提醒买家要谨慎。
[听力原文]
Shopping online is a convenience that many people now feel they couldn"t do without, but when it comes to making self-diagnoses and purchasing medications on the Web, doctors are warning buyers to beware.
问答题
______
【正确答案】
【答案解析】孤独症可能是一个家族的特征。一项新研究得出的结论提示48%的孤独症都是遗传的结果。
[听力原文]
Loneliness might be a family trait. That"s the conclusion of a new research suggesting 48 percent of the variations in loneliness among people is a result of genetics.
问答题
______
【正确答案】
【答案解析】俗话说，口味好的食物往往是有害的，但美味的黑巧克力可能是个例外。它平均可以帮助降低血压10%。
[听力原文]
If it tastes good it must be bad, so the saying goes, but delicious dark chocolate may be the exception to the rule. It may help lower blood pressure by an average of 10 percent.
问答题
______
【正确答案】
【答案解析】最新一项针对使心脏病患者复苏技术的研究表明：胸外按压比嘴对嘴人工呼吸重要得多。
[听力原文]
The latest research on techniques for reviving heart attack victims suggests that chest compression is far more important than mouth-to-mouth resuscitation.
问答题
______
【正确答案】
【答案解析】1997年，名叫“深蓝”的超级计算机在一场六局的比赛中击败了国际象棋世界冠军。同样是在1997年，一台被称为“万亿次浮点运算每秒”的电脑每秒可进行一万亿次运算。
[听力原文]
In 1997, "Deep Blue", a supercomputer, beat the world chess champion in a six-game match. By that same year—1997—there was a computer called a teraflop that could perform one trillion operations per second.
问答题
______
【正确答案】
【答案解析】回顾过去，东亚地区发生了深刻变化，取得了巨大进步。展望未来，我们可以满怀信心地说，推动东亚经济和社会发展达到新水平的比较良好的条件已展现在我们眼前。
[听力原文]
In retrospect, profound changes and tremendous progress have taken place in East Asia. Looking ahead, we can say with full confidence that relatively sound conditions exist for East Asia to raise its economic and social development to a new level.
问答题
______
【正确答案】
【答案解析】世界上的六大国——美国、英国、法国、俄罗斯、中国和德国——正试图说服德黑兰减少浓缩铀，并向国际原子能机构的核查人员开放其核设施。
[听力原文]
Six world powers—the U.S., Britain, France, Russia, China and Germany—are trying to persuade Tehran to reduce uranium enrichment and open up its nuclear facilities to inspectors from the International Atomic Energy Agency.
问答题
______
【正确答案】
【答案解析】15个月以来的新一轮会谈4月在伊斯坦布尔开始。欧盟外交政策负责人凯瑟琳·阿什顿形容它们为“具有建设性并且有益的”。
[听力原文]
Fresh talks opened in Istanbul in April—the first for 15 months—and EU foreign policy chief Catherine Ashton described them as "constructive and useful".
问答题
______
【正确答案】
【答案解析】欧盟、美国和联合国因伊朗核计划而对其实施制裁。美国官员过去曾强调过任何对伊朗发动的攻击将导致该地区的不稳定。
[听力原文]
The EU, the U.S. and the UN have all imposed sanctions on Iran over its nuclear programme. In the past, U.S. officials had stressed the regional instability that would result from any attack on Iran.
问答题
______
【正确答案】
【答案解析】主要工业经济体的领导人将在本周末会面，试图解决欧洲一个已充分发展的危机——在欧洲越来越多的人担心希腊离开欧元区集团会威胁到这一共同货币的未来。
[听力原文]
Leaders of major industrial economies meet this weekend to try to tackle a full-blown crisis in Europe where fears are growing that Greece could leave the euro zone bloc, threatening the future of the common currency.