Born in England in 1944, Ian Wilmut{#blank#}1{#/blank#}(know)as the leader of the research group that first cloned a female lamb {#blank#}2{#/blank#}(call)Dolly in 1996. Dolly became famous and pictures of her appeared on the{#blank#}3{#/blank#}(cover)of magazines all over the world. The{#blank#}4{#/blank#}(possible)of reproduction without a male and female being involved also made her the focus of a moral debate. For scientists, however, the cloning of dolly using the DNA of an adult cell was a breakthrough {#blank#}5{#/blank#}showed the cloning of special animals was possible.

    However,{#blank#}6{#/blank#}Wilmut thinks unlikely is human cloning. He says {#blank#}7{#/blank#}(undertake)the procedure with humans would require 29 surrogate(替代的)mothers and 300 eggs. Of those 29,28 would be bound {#blank#}8{#/blank#}(experience)failure and suffer physically and emotionally. He says he is also concerned about the psychological and{#blank#}9{#/blank#}(society)consequences a cloned might have to go through. For these reasons, he is not {#blank#}10{#/blank#}favor of it.

    Located in the northwest of Hunan Province, about 300 kilometers away from Changsha, capital of Hunan, Zhangjiajie, {#blank#}1{#/blank#} covers a total area of 9,563 square kilometers, is a tourist city for its unique natural scenery and abundant tourism resources. Zhangjiajie{#blank#}2{#/blank#} (award) the title of "World Geological Park" in 2004. {#blank#}3{#/blank#} (actual), Zhangjiajie, honored as "the most fantastic mountain under heaven" and "a walking Chinese landscape painting", is also widely praised as "{#blank#}4{#/blank#} enlarged potted landscaping" "a mini fairyland" and "a maze(迷宫)of nature", attracting a growing number of tourists {#blank#}5{#/blank#} home and abroad.

    Since it was discovered in the 1980s, tourism industry {#blank#}6{#/blank#} (become) the leading industry in Zhangjiajie, which has stimulated the development of other industries {#blank#}7{#/blank#} (relate) to tourism. At the same time, eco-tourism has been developed rapidly in Zhangjiajie. When you come to Zhangjiajie, you can fully appreciate {#blank#}8{#/blank#} (it) magnificent natural scenery and experience appealing folk custom as well as other thrilling tourist {#blank#}9{#/blank#} (activity),and you will be deeply impressed by {#blank#}10{#/blank#} is performed by the minorities there.

    It must be an exciting, joyful and unforgettable tour to Zhangjiajie.

    Your class starts in 10 minutes, but you find yourself {#blank#}1{#/blank#} (stick) in traffic. Don't panic. With just a press of a button, your car will lift off the ground and fly to school. What's your {#blank#}2{#/blank#} (impress)? It seems like science fiction, but it isn't. Engineers have taken {#blank#}3{#/blank#} the research of flying cars, and they have already found {#blank#}4{#/blank#} (solve) to many of the big challenges. They predict that we'll all be using these {#blank#}5{#/blank#} (amaze) vehicles one day. According to Car Trends Magazine, one model, {#blank#}6{#/blank#} is part car and part plane, is going to be on the market in the not-so-distant future. It will look like a regular car when it's on the road, but its wings will unfold when the driver {#blank#}7{#/blank#} (decide) to take to the sky. And {#blank#}8{#/blank#} (operate) by a computer, all controls will be automatic (自动的). Imagine this: You'll be doing your homework while your car is getting you to school {#blank#}9{#/blank#} (safe). And what does this future dream car cost? Well, at first it will be about a million dollars, but after a few years, you'll be able to buy {#blank#}10{#/blank#} for "only" $60,000. Don't throw away your old driver's license just yet!

    Joe's plane landed on time at Heathrow Airport. He had {#blank#}1{#/blank#} (exact) one hour to get out of the airport and go across the centre of the airport and the centre of London to catch his train to Manchester. He hurried through the airport, and then raced {#blank#}2{#/blank#} the taxi sign.

    Unfortunately, at that moment, his luggage broke and dirty socks, shirts and underwear were all over the airport floor. Joe was so {#blank#}3{#/blank#} (embarrass) that he quickly put everything back into his luggage. {#blank#}4{#/blank#} (push) his way through the crowds of people, he finally made it to the taxi rank. He jumped into the nearest taxi, shouting, “Euston Station, quickly, pleases!” The taxi set off at such {#blank#}5{#/blank#} high speed that Joe {#blank#}6{#/blank#} (throw) back-ward, hitting his head against the glass .The taxi sped on and finally arrived in the city centre, and also the middle of a traffic jam! {#blank#}7{#/blank#} would be quicker to walk there, Joe offered {#blank#}8{#/blank#} (pay) the driver, got out of the taxi, and ran along the pavement and past all the shop {#blank#}9{#/blank#} (window). At last, he could see the station opposite.

    He {#blank#}10{#/blank#} (reach) the station just as his train was leaving. He got on the train with seconds to spare. He sighed with relief—he would be home in time for Christmas.

    John Snow was a famous doctor in London, who was so expert that he attended Queen Victoria as her {#blank#}1{#/blank#}(person) physician. But he felt {#blank#}2{#/blank#}(inspire) when he thought about {#blank#}3{#/blank#}(help) people exposed to cholera. Cholera was a {#blank#}4{#/blank#} (dead) disease and neither its cause nor its cure was understood. John Snow wanted to face the challenge and solve the problem. He suspected that people absorbed this disease {#blank#}5{#/blank#} their bodies with their meals. So when another outbreak hit London, he began his enquiry. He found that many victims {#blank#}6{#/blank#}(link) to the outbreak were near the water pump, so he had the handle {#blank#}7{#/blank#} (remove). Soon afterwards the disease slowed down. He drew a conclusion that the water was {#blank#}8{#/blank#}(blame).

    The water {#blank#}9{#/blank#}(company) were instructed not to expose people to {#blank#}10{#/blank#}(pollute) water any more. Finally "King Cholera" was defeated.