第四单元基础练习1.词汇练习：1）I understand things better when I _________ them out. (试验，验证)2）He is _____________ to show up at any minute. (可能的)3）You should really ____________ on your studies now. (集中精力于)4）The movies that _______ _____ Star Wars are about wars in space. (组成)5）You are __________ _____ that story, right? It can’t be true. (编造)6）Some of the predictions in the movies or books have _________ __________ now. (实现) 7）It is already possible to make _________________ body parts. (人造的)1.词汇练习：1) A _____________(黑客) is a person who enters other people’s computer programs __________________(秘密地，不为人知地，悄悄地)2)The word “____________” means “to have an accident by violently hitting something.3)Smoking does more _____________ than _________ to you. （吸烟对你来说弊大于利）4)In the last 30 years, the Internet has grown r_________________(迅速地)5)In 1983, there were only 200 computers c_______________ to the Internet.(连接到)6)This g_______________ is clearly going to continue. (增长)7)Some experts are ____________________ (悲观的) about the future of the Internet, whilemany others are __________________（乐观的）about it.8)Personally, I think _____________ ______________ (虚拟现实) will become part ofmodern life.9)It is o___________________(显然的) that this ___________________(毁坏，破坏) is goingto become more dangerous in the future.10)We have to take i_________________（立即的）action, or I fear life on Earth will get worse.11)________________ means “a terrible situation in which everything goes wrong”.12)With the i_________________（不断增加的）use of email, the mail service may alsod___________________(消失)13)Peter Taylor finds out how computers and the Internet are going to a______________(影响)our lives.14)The Internet has both a positive and a negative e_______________(影响) on our lives.2.请翻译下列句子1）在未来，恐怖主义分子可能会攻击世界电脑，导致混论，使得飞机和火车坠毁或相撞。
2）很明显，我们将会见到一个网络购物方面的巨大增长。
（it is clear that …）3) 一些专家在虚拟现实上看到我们的未来，即带有图片和声音的电脑的使用，这些声音和图片让我们觉得仿佛我们处于一个真实的场景。
1.词汇练习：1）Many _________________(军事的) technologies have been used in civilian industry.2）His whole life is dedicated to __________________ research. (科学研究)3）The internet started grow very fast _____________________________(在九十年代中期)。
4）Do you f_______________going to a concert tomorrow? 你愿意明天去音乐会吗？5）What are you _______ ________ this weekend? 你周末做什么吗？6）Whether you leave or stay in this project, it’s totally _______ ______ you. （取决于）7) (In a phone conversation）Could you just _____________ _______ a second. I’ll findJenny for you. (稍等一会)8) I made a ___________________(建议) to him, but instead of _________________(接受) it, he________________(拒绝) it.9) I will make an __________________(安排) about your trip to China.10) In the 1960s, the Pentagon were worried about communications after a ______________ war(核战争), so they thought of ________________(连接) computers into a network so that if one part of the network was destroyed, other parts could continue working.2. 翻译下列句子：1）你过的怎么样？（get on）2) 你的新工作怎么样了？（get on）3) 是在九十年代中期，因特网开始发展的很快速。
（it was … that …）1.词汇练习：1)Do you have anything ____________ for this weekend? (你这周末有什么计划好的事吗？)2)Can you ________________(建议) some good books for my project?3)If we had virtual reality holidays, we wouldn’t have any problems ________ the weather._________________________(而且), we wouldn’t have to spend a long time traveling on planes to get to our holiday ___________________(目的地)4)We’ll use the computer to go anywhere we like. We won’t have to go there______________________(亲自) at all.5)Just ________________(想象) never having to pack a suitcase.6)You would be able to study in such a world-famous university _____________(不用) goingout of your room.2.请翻译下列句子：1)你的意思是说，我们将会使用电脑来进行全球旅行，只用几秒钟时间进出国家，并且拜访所有历史遗迹？2）他建议我们走着去那里。
3）我发现这件事难以想象。
1.词汇练习：1)It has a _____________________(人口) of just under a million and is ______________(位于)on North Island.2)This seaside city is an important ______________(中心) for business and______________(工业).3)European ____________________(定居，定居点) began in 1840 when the British arrived.4)Later, the capital moved to Wellington because it was more _________________(中心的).5)In 1985, the New Zealand government made the whole country a__________________________(无核区) and since then Auckland has been a center for ___________________(抗议活动) against nuclear testing in Asia Pacific.6)Famous _______________(景点) include Mt Eden, one of many large volcanoes,__________________ the Auckland Harbor Bridge. (还有，和)7)The city has a warm _______________(气候) with plenty of sunshine --- the______________(平均的) temperature in summer is 23.4 degrees.8)There are r________________(定期的) international flights.9)The school’s l_______________(地点，位置) is right near the river. It is easy for me tol______________(找到，定位) it.10)The library is built where the European __________________(定居点) originally was. Iwonder why they chose to _______________(定居) so far from the river? I suppose the __________________(定居者) were worried that the river might flood.11)I am going to look like a real _______________(旅游者) with my map and my camera. AndI’m going to take a __________(旅行，游览) of the city. Is it true that ________________(旅游业) is now a big industry in New Zealand?2.请翻译下列句子：1) 北京有一千两百万人口，位于中国北部。