题目内容
"She was married to an officer in India long ago and she had a life of physical adventure as exciting as her poetry. Her husband could cross rivers, using crocodiles (鳄鱼) as stepping stones. He died when she was only thirty-nine. Unwilling to exist without him, she took her life, leaving a son in England."I stared at the paper, (36) reading, couldn’t help thinking.Crocodiles are lazy animals as a rule, but they can (37) like lightning when they want to. And they don’t mind hurrying (38) they’re hungry. There used to be lots in Indian rivers, living on fish mostly, but what’s a little fish (39) a fifteen-toot crocodile They are people, fisherman or anyone else delicious enough to get too near; women doing the (40) or children playing at the water’s (41) . A hungry crocodile’s mouth (42) over a meal with a sound like a gunshot. A big fellow can (43) in a man in two bites.That woman’s husband crossed rivers (44) from one crocodile’s back to the next. I believe it. It had to be done (45) before the creature could see what was happening. It wasn’t (46) a brave, active man, and no doubt he improved with practice. He could never look (47) while crossing.The wife used to watch him—I felt (48) of that. She lived (49) the adventure with the (50) excitement of it all. Their real life was with tigers, snakes... It’s no wonder she wrote (51) poetry.Then he (52) . I imagined how she felt. Was there another man (53) him in India, in the world She was still young, hardly a sitting-room widow (寡妇). "I must (54) , too." She said to herself. So she did what she felt she had to do. A (55) probably, to her head. But her young son, their son Was her love for him nothing compared to her husband Well, what do you think 44().
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假设磁盘上每个磁道划分成9个物理块，每块存放1个逻辑记录。逻辑记录R0，R1，…，R8存放在同一个磁道上，记录的安排顺序如表1-7所示。 表1—7记录的安排顺序 物理块 0 1 2 3 4 5 6 7 8 逻辑记录 R0 R1 R2 R3 R4 R5 R6 R7 R8 假定磁盘旋转一圈的时间为27ms，磁头当前处在R0的开始处。若系统顺序处理这些记录，使用单缓冲区，每个记录处理时间为3ms，则处理这9个记录的最长时间为 (11) ；若对信息存储进行优化分布后，处理9个记录的最少时间为 (12) 。
Questions 47 to 51 are based on the following passage. More than two million people in Europe now have fibre broadband direct to their home, suggests a survey. The latest figures on superfast broadband delivered by fibre to the home (FTITI) shows 18% growth over the last survey compiled in late 2008. The continued growth suggests that the global economic downturn has not hit plans to build infrastructure (基础设施) of fibre. Sweden tops the list of nations rolling out the technology, with 10.9% of its broadband customers using fibre. Karel Helsen, president of Europe’s Fibre-To-The-Home Council, said the growth matched predictions that were revised when the credit crunch (信用紧缩) started to make itself felt. "The numbers in 2009 are in line with the latest forecasts," said Mr. Helsen. By 2012, the FITH Council expects that 13 million people across 35 European nations will have their broadband delivered by fibre. Such services would start at speeds of 100 megabits persecond (mbps), said Mr.Helsen. Around Europe more than 233 projects were underway to lay the fibres that would connect homes or buildings to the net, said Mr.Helsen.Many of those, he said, were being operated by local governments or smaller net firms. Local governments were interested in FTFH because of the economic and social benefits it brought in its wake. The low delay inherent in high-speed fibre networks made possible novel uses of broadband, he said. "No delay is very important," he said, "specifically if you talk about applications that are time dependent such as personal communications, conference calls or video calls where delays cause a lot of interference." While early PITH services were concentrated in cities, said Mr. Helsen, many more were reaching out to rural areas for e-health and e-learning projects. Separate studies show that an FTI’H infrastructure can have a direct impact on local economic output, said Mr.Helsen. The UK, France and Germany have yet to break into the list of top ten PITH nations. During the global economic downturn, the number of Europeans who use fibre broadband ______.
某国家内英文报纸设有一个求助信箱(letters to Dr. Helper)。请根据一份学生现状调查中给出的部分信息，以高三学生 王磊的名义给Dr. Helper 写一封英语短信。 注意：1. 写信内容包括表中的所有信息，可适当发挥。 2. 词数：100个左右 参考生词: 过重负担：overload; 压力： pressure;期望: expectations
On Oct. 12, 1989, some Chinese scientists were working at the computers to look for the information they needed. Suddenly they saw a lot of very bright spots crossing the computer’s screens. At the same moment the computers were working much slower. To find out what was happening, they stopped their work to check some parts of the computers. To their horror, they found out that most of their stored information was got rid of by computer viruses (病毒). Obviously all these computers had been infected (传染) by computer viruses.It is said that the computer viruses were made by a group of young men fond of playing tricks. They all have excellent education. They created the viruses just to show their intelligence. This kind of computer viruses is named Jerusalem (耶路撒冷) Viruses. These viruses can stay in computers for a long time. When the time comes they will attack the computers by lowering the functions, damaging normal programs or even getting rid of all the information.We now come to know that Jerusalem Viruses often attack computers on Fridays and that they are spreading to a lot of computers. Among the countries that suffered computer viruses last year are Britain, Australia, Switzerland and the US. But till now, how to get rid of the terrible viruses remains a problem. According to the passage, which of the following is TRUE()
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