题目内容
What does the speaker think of today's world？
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PART C
Directions: You will hear three dialogues or monologues. Before listening to each one, you will have 5 seconds to read each of the questions which accompany it. While listening, answer each question by choosing A, B, C or D. After listening, you will have 10 seconds to check your answer to each question. You will hear each piece ONLY ONCE.
听力原文： If you feel fired all the time, you don't necessarily need to go to bed earlier. The solution could be as simple as taking a five-minute afternoon nap. Children under five have an abundance of energy and one of the reasons is because they nap once or twice a day. Many sleep experts think we're programmed to take a nap during the day, and getting back into this habit can be a solution for those who feel tired all the time. Prof. Chris Edzikosky of the Sleep Advisory and Assessment Center thinks that one can feel refreshed after just five minutes' sleep. And research has shown that concentration and attention are improved after even a short nap. Sleep is genetically programmed in babies and it's only as we get older that we learn to sleep for about eight hours at night and not at all during the day. But most research suggests that we are not physically designed to sleep for one long single block. Before the working day became nine to five, all western sleep patterns were more broken up. Research has shown that in the Middle Ages, people's sleep quite often occurred in three distinct parts, a nap in the afternoon, an early evening nap and another longer sleep until dawn. So if you do find yourself feeling sleepy through the day, don't feel you're being lazy by giving in to sleep and having a nap. Your increased energy and alertness will make the rest of your day extra productive.
Children under five have abundant energy partly because they
What was his original goal at college？
We often hear the 【21】______ "Bug" while using computers. But what is a bug？ In computer science, a bug 【22】______ an error in software or hardware. In software, a bug is an error in coding or logic that causes a program to malfunction or to 【23】______ incorrect results. Minor bugs, for example a cursor that does not behave as 【24】______ can be inconvenient or frustrating, but not damaging to 【25】______ . More severe bugs can cause a program to "hang" (stop responding to 【26】______ and might 【27】______ the user with no 【28】______ but to restart file program. ), losing whatever 【29】______ work had not been saved. In 【30】______ case, the programmer must find and correct the error by the 【31】______ known as debugging. Because of the 【32】______ risk to important data, commercial application programs are tested and 【33】______ as completely as possible before release. Minor bugs found after the program becomes 【34】______ are corrected in next update; more 【35】______ bugs can sometimes be fixed with special software, called patches, that circumvents or otherwise 【36】______ its effects. In hardware, a bug is a recurring 【37】______ problem that prevents a system or set of 【38】______ from working together properly. The 【39】______ of the term reputedly goes back to the early days of computer at Harvard University was 【40】______ a moth caught between the contacts of a relay in the machine.
【21】
Which one of the following could be the most appropriate title of this speech？
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