课时分层作业(三)
Ⅰ.阅读理解
A
You may be wondering what Shreveport is like as you book your trip.TheHustler breaks down what to know and what to do during your time in the city.
Search for Bigfoot
Located about 20 miles northwest of Shreveport，Caddo Lake has been the location of frequent Bigfoot sightings over the years.Stop by the Whole Foods on 1380 E 70th St，pack up your picnic，take your telescope and spend an attractive afternoon looking for likely animals!
Where to Eat
HerbyK's Restaurant：HerbyK's is one of those classic holeinthewall spots with a legendary r
eputation，according to Southern Living.
Crawdaddy's Kitchen：It amazes me how truthful people are in writing reviews；this was an awesome meal，according to Twins2Garner，Yelp Review.
Real BBQ (烧烤野餐) and More：Real BBQ and More is a simple roadside barbeque stand in southwestern Shreveport，according to Louisiana Life Travel.
Things to Do in Shreveport
ton Art Gallery is a free museum，which is currently featuring two exhibits：“Enlist! Art Goes to War，1914－1918” and “Scarlett Passions，Bellocq's Storyville”．
For those who are interested in science，SciPort，Louisiana's Science Center，is located in Shreveport.The center holds nearly 300 current exhibits in math，space and science，in addition to an IMAX theater and laser space Dome Planetarium.
The Touchstone Wildlife & Art Museum is a popular Shreveport destination，home to an impressively large and diverse collection.
How to Get to Shreveport
If you want to reach Shreveport，your best option might be Shreveport Regional Airport.They offer direct flights to and from a number of major cities in the United States，including Atlanta and Las Vegas.You may need a quick connecting flight，but Shreveport's airport is there and is probably the quickest way to the city.
【语篇解读】 本文是一篇说明文。文章介绍了在Shreveport可以游览的景点、可以就餐的地方和特餐饮以及往来该地的交通情况。
1．Where will we go if we are interested in the mystery of the natural world?
A．Caddo Lake.
B．The R． Art Gallery.
C．SciPort.
D．The Touchstone Wildlife & Art Museum.
2．Why is Real BBQ and More recommended?
A．Visitors can know more about its reputation.
B．Visitors can have a barbecue on the roadside.
C．Visitors can have a picnic in the open air.
D．Visitors can order some awesome meals.
B [细节理解题。根据第五段内容可知，Real BBQ and More是一个路边烧烤摊，游客可以在那儿吃烧烤。]
3．What had we better do as a movie fan if we feel tired after exploring the city?
A．See a movie in SciPort.
B．Go to the free museum.
C．Enjoy diverse collections.
D．Watch an exciting bowl game.
4．What can be concluded from the text?
A．Shreveport is in lack of tour resources.
B．Shreveport has a relatively short history.
C．Shreveport has developed movie industry.
D．Shreveport provides convenient air services.
D [推理判断题。根据第二段到倒数第二段可知，Shreveport有野外景点和多个市内旅游场
馆，有特餐饮，并不缺少旅游资源；根据最后一段内容可知，Shreveport当地飞机场与美国多个主要城市有直达航班，那里还提供快速的转接班机，服务便捷。由本文内容无法得知该市历史的长短和电影业的发展情况。]
B
Race walking shares many fitness benefits with running, research shows，while most likely contributing to fewer injuries.It does，however，have its own problem.
Race walkers are conditioned athletes.The longest track and field event at the Summer Olympics is the 50kilometer race walk，which is about five miles longer than the marathon.But the sport's rules require that a race walker's knees stay straight through most of the leg swing and one foot remain in contact(接触) with the ground at all times.It's this strange from that makes race walking such an attractive activity，however，says Jaclyn Norberg，an assistant professor of exercise science at Salem State University in Salem，Mass.wish you were here下载
Like running，race walking is physically demanding，she says.According to most calculations，race walkers moving at a pace of six miles per hour would burn about 800 calories(卡路里) per hour，which is approximately twice as many as they would burn walking，although fewer than running，which would probably burn about 1，000 or more calories per hour.
However，race walking does not pound the body as much as running does，Dr.Norberg says.According to her research，runners hit the ground with as much as four times their body weight per step，while race walkers，who do not leave the ground，create only about 1.4 times their body weight with each step.
As a result，she says，some of the injuries associated with running，such as runner's knee，are uncommon among race walkers.But the sport's strange form does place considerable stress on the ankles and hips，so people with a history of such injuries might want to be cautious in adopting the sport.In fact，anyone wishing to try race walking should probably first consult a coach or experienced racer to learn proper technique，she says.It takes some practice.
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