专题17 语法填空
一
The polar bear is found in the Arctic Circle and some big land mass as far south as Newfoundland. While they are rare north of 88°, there is evidence ___1___ they range all the way across the Arctic, and as far south as James Bay in Canada. It is difficult to figure out a global population of polar bears as much of the range has been ___2___(poor) studied; however, biologists calculate that there are about 20,000-25,000 polar bears worldwide.
Modern methods ___3___ tracking polar bear populations have been employed only since the mid-1980s, and are expensive ___4___(perform) consistently over a large area. In recent years some Inuit people in Nunavut ___5___(report) increas in bear sightings around human ttlements, leading to a ___6___(believe) that populations are increasing. Scientists have responded by ___7___(note) that hungry bears may be congregating(聚集) around human ttlements, leading to the illusion(错觉) that populations are ___8___(high)
than they actually are. Of ___9___ nineteen recognized polar bear subpopulations, three are declining, six ____10____(be) stable, one is increasing, and nine lack enough data.
二是个
A 90-year-old has been经期头疼怎么办 awarded “Woman Of The Year” for___1___(be) Britain’s oldest full-time employee—still working 40 hours a week. Now Irene Astbury works from 9am to 5pm daily at the pet shop in Macclesfield, ___2___ she opened with her late husband Les. Her years of hard work have ___3___(final) been acknowledged after a customer nominated(提名) her to be Cheshire’s Woman Of The Year.
垓怎么读音Picking up her “Lifetime Achievement” award, proud Irene___4___(declare) she had no plans ___5___(retire)from her 36-year-old business. Irene said, “I don’t e any reason to give up work. I love coming here and eing my family and all the friends I ___6___(make)over the years. I work not becau I have to, ___7___ becau I want to.”
Granddaughter Gayle Parks, 31—who 盆花图片大全works alongside her in the family business—said it
remained unknown as to who nominated Irene for the award. She said, “We don’t have any idea who put grandma forward. When we got a call ___8___(say) she was short-listed, we thought it was ___9___ joke. But then we got an official letter and像英文 女生结婚we were blown away. We are so proud of her. It’s ____10____(wonder).”
三
On our way to the hou, it was raining ___1___ hard that we couldn’t help wondering how long it would take ___2___(get) there. It was in the middle of Pearl City.
We were first greeted with the barking by a pack ___3___ dogs, ven to be exact. They were well trained by their masters ___4___ had great experience with caring for the animals. Our hosts shared many of their experiences and___5___(recommend) wonderful places to eat, shop, and visit. For breakfast, we were able to eat papaya (木瓜) and other fruits from their trees in the backyard.
When they were free from work, they invited us to local events and let us know of an inter
esting ___6___(compete) to watch, together with the story behind it. They also shared with us many ___7___(tradition) stories about Hawaii that were___8___(huge) popular with tourists. On手机声音小 the last day of our week-long stay, we___9___(invite) to attend aqq怎么解冻 private concert on a beautiful farm on the North Shore under the stars, ____10____(listen)to musicians and meeting interesting locals.
四
There are veral reasons why school uniforms are a good idea. First of all, uniforms help the school look smart. The students feel that they belong to a particular group. When every pupil in the school wears the uniform, nobody __1__(have) to worry about fashion. Everybody wears __2__ same style of clothes. Uniforms can be uful in unexpected ways. A school in Ireland has introduced in interesting new uniform. On the edge of the jacket, there is a piece of cloth __3__ gives off light in the dark. When the children are walking or __4__ (cycle) to school on dark mornings, car drivers can __5__ (easy) e them.
But can uniforms help improve school standards? The answer _6__ this question is not clear. One study in America found that student's grades __7__ (improve) a little after the school introduced uniforms. But some students didn't want __8__ (wear) the uniform. Other American studies showed no __9__ (connect) between uniforms and school performance.
School uniforms are __10__ (tradition) in Britain, but some schools are starting to get rid of them. Some very good schools don't have a uniform policy. However, uniforms are still popular. Pupils at about 90 percent of British condary schools wear uniforms.
五
The Caffeine Catch
Caffeine, a chemical typically found in coffee, has caud a lot of concern becau it is one of the few drugs that show up regularly in our food supply. You probably__1__ (u) caffeine since childhood. Caffeine__2__ (be) in your first Coke. If you ever enjoyed a cho
colate bar, you ate caffeine. Soft drinks are the major source(来源) of caffeine for most children and even some adults. __3__ (recent), caffeine has found its way into orange, apple, and other flavored drinks.
Small amounts of caffeine-a cup__4__two of coffee a day-em safe for most people. However, some people have trouble with even small amounts. One cup of coffee__5__the late afternoon or evening will cau__6__ (they)to stay awake almost all night. Larger amounts of caffeine can cau a problem __7__ (cal) caffeinism. You get very nervous and you can't sleep.
