单选题 Questions 11 to 13 are based on a news report about a tornado which hit parts of Mexico. You now have 15 seconds to read Questions 11 to 13.
单选题 What was the main cause of the severe casualties?
[A] The tornado came ahead of time. [B] There was no warning beforehand.
[C] The prediction was not accurate. [D] The preventions were not effective.
【正确答案】 C
【答案解析】[听力原文]11-13
W: Welcome to the 9 o'clock news of CDB, I'm Susan Morphy. A tornado hit the northwestern parts of Mexico, and caused severe casualties. Though there had been warnings beforehand, as the tornado went slightly away from the predicted route, many people failed to escape from its fatal sweeps. According to the first estimate, at least 200 people were killed and about 30 000 became homeless. Let's now connect to Tim Hudson, our correspondent there, for some more details. Hi, Tim. Can you give us a report about the tornado there?
M: Hi, Susan. As you all know, the tornado has caused great losses. There had been some warnings about the tornado before it arrived. But it came slightly away from the predicted route, and, moreover, it came to the densely populated area about 2 AM, when most people were in sound sleep. A lot of buildings have become topless, and many large trees have been rooted up.
W: What about the casualties?
M: There has been no exact report about it so far. According to some reliable estimate, there were no less than 200 of them As a heavy rain went with tornado, some parts of the city where I'm standing have been cut off and isolated by the flood. We don't know what had exactly happened to those parts.
W: How about the rescue work?
M: As a matter of fact, the local government wasted no time. Just about 20 minutes after the tornado had passed, the local TV and broadcast started to give instructions on the locations of emergency centers in different districts of the city. Early this morning, a team from the Mexican government has arrived. Actually, I'm just back from the airport.
W: Thank you, Tim. Now let's move on to other news...

在第一个话轮中，男士(记者)指出飓风造成了巨大的损失，然后解释了原因。其中第四句指出：But it came slightly... in sound sleep，即尽管有预警，但飓风轻微偏离了预报的路线。由此可以推知，实际上他是说预报并不准确，因此答案是[C]。
单选题 What happened to many buildings?
[A] They were torn apart. [B] Their upper parts were carried away.
[C] They were removed. [D] Their overall structures were ruined.
【正确答案】 B
【答案解析】本题实际上是考查考生对第一个话轮中男士最后一句话的理解。该句指出：A lot of buildings have become topless...，其中topless指的就是飓风把房顶吹翻卷走，与[B]中的carried away同义。
单选题 What was the correspondent's comment on the local government's rescue work?
[A] Prompt. [B] Confident. [C] Ineffective. [D] Casual.
【正确答案】 A
【答案解析】对话第三个话轮中男士谈论的是当地政府的救援工作。其第一句指出：the local government wasted no time，对应于[A]所指的prompt(立即的)，并且后面几句又详细说明了当地政府采取的措施。