【正确答案】 C

【答案解析】[解析] Hi, everyone, has marriage gone out of style? You might think so from statistics just released by the Census Bureau. For the first time in American history, married couples are minority, making up just 49.7% of the population. That's a big change as one demographic expert put it, the Ozzie and Harriet era of the last century is over. And it's not just because more couples are living together; in fact, one of the fastest growing groups in America is called the LATS or LATs -- couples living apart together. [难点] 此题考的是细节部分，要仔细听懂语段中的每个细节，因为提到的信息具有跳跃性，给考生带来较大的压力和困难。一些不是很熟悉的专有名词也加大了此题的难度。但是，只要本段的最后信息点在最后一句，只要听懂最后一句，就不难发现选项c是正确答案了。

【正确答案】 C

【答案解析】[解析] Hundred of fish species have been recorded in East Timor waters. A diversity that's enhanced by having very deep water so close to shore. East Timor is a former war zone and lacks a lot of basic infrastructure. After East Timor's vote for independent in 1999, Indonesia militias ram- paged through the island. The subsequent recovery effort has been painfully slow. There are many changes to be made of tourism run by expatriate as to boost East Timor's meager economy. The government is anxious that new tourism developments don't ruin East Timor's greatest assets, its natural beauty. [难点] 此题要综合一定的地理知识和历史知识，考点是细节部分信息的获取。a选项容易排除，b和d都是干扰项，考生容易忽视“fish”和“animal”之间的区别，加上“rampage”很有可能是生词，会进一步阻碍理解。其实，段落最后两句都提到了“tourism”，考生可从此处推断出段落的主题其实是旅游业的发展。

【正确答案】 D

【答案解析】[解析] Hi, everyone, as we marked the anniversary of the Iraq War, we were being reminded of all that our soldiers have sacrificed and what some continued to experience. The scandal of Walter Reed put their suffering into sharp focus and so was a new study from the Archives of Internal Medicine. The study found that about a third of returning vets were diagnosed with mental illness, or a psycho social disorder, everything from depression and post-traumatic stress to homelessness and domestic violence. [难点] 这是关于时事政治的报道，一些时事知识有助于理解文段。文中的两个专有名词 Walter Reed和the Archives of Internal Medicine会影响听的效果，但并不影响选择答案，因为只要发现听到是a third而不是a fifth这个细节数据，就很容易选出答案。

【正确答案】 C

【答案解析】[解析] Resolution freezes the assets of more than 28 Iranian individuals, companies and institutions, including the state-owned Bank Sepah, commanders of Iran's Revolutionary Guards and com- panics they control, it also places an embargo on arms exports and calls on members to voluntarily restrict loans and financial assistance to the government of Iran. The resolution calls for Iraq to comply with the International Atomic Energy Agency requirements, and return to the negotiation on its nuclear issue. [难点] 又是一道时事政治题。文段中基本没有不熟悉的单词和专有名词，比较容易听懂和理解，从第一句话“Resolution freezes the assets of...”就可以很快找出c项为不正确项。

【正确答案】 A

【答案解析】[解析] Although snakes often have very sharp vision, a sense of smell, and a sensitivity to heat and vibrations, their most important sensory system is one that we humans don't share with them at all. This sixth sense is called the "vomeronasal system", and the sense organs for this are two tiny, bulb-shaped structures located on the roof of the snake's mouth. This sensory system is somewhat similar to smell -- in that it senses the presence of chemicals in the snake's environment. Snakes can use this extra sense to detect the faint chemical traces left by departing prey, or they can use it to track down a mate. [难点] 此题比较容易，基本上可以直接从听到的信息直接判断选项的正误，不需做推理。从文段中的第一句话“...that we humans don't share with them at all”就可以找出a项与听到的事实相反。