職稱英語B2021年職稱英語綜合類B級考試補全短文專項練習(xí)及答案（一）.doc

1、職稱英語B_2021年職稱英語綜合類B級考試補全短文專項練習(xí)及答案（一）20_年職稱英語綜合類B級考試補全短文專項練習(xí)（一）閱讀下面的短文，每一篇文章中有 5處填空，文章后面有 6組文字，請根據(jù)文章的內(nèi)容選擇 5組文字，將其分別放回文章原有的位置，以恢復(fù)文章的原貌。A Record-Breaking RoverNASAs Mars rover Opportunity has boldly gone where no rover has gone beforeat least in terms of distance._1_On July 27, after years of moving ab

2、out on Martian ground, the golf-cart-sized Opportunity had driven more than 24 miles, beating the previous record holdera Soviet rover sent to the moon in 1973.“This is so remarkable considering Opportunity was intended to drive about 1 kilometer and was never designed for distance,” says John Calla

3、s, the Mars E_ploration Rover Project Manager._2_“But what is really importantly is not how many miles the rover has racked up, but how much e_ploration and discovery we have accomplished over that distance.”O(jiān)PPORTUNITYThe solar-powered Opportunity and its twin rover, Spirit, landed on Mars 10 years

4、 ago on a mission e_pected to last 3 months._3_Spirit stopped communicating with Earth in March 2021, a few months after it got stuck in a sand pit.But Opportunity has continued to collect and analyze Martian soil and rocks.During its mission, Opportunity has captured, and sent back to Earth, some 1

5、87,000 panoramic and microscopic images of Mars with its cameras._4_MARATHON ROVERThe rover doesnt seem to be ready to stop just yet.If Opportunity can continue on, it will reach another major investigation site when its odometer hits 26.2 miles._5_Researchers believe that clay minerals e_posed near

6、 Marathon Valley could hold clues to Marss ancient environment1.Opportunitys continuing travels will also help researchers as they plan for an eventual human mission to the Red Planet.詞匯：Mars rover n.火星車panoramic adj.全景的odometer n.里程計rack up v.積累microscopic adj.微觀的練習(xí)：AIt has also provided scientists

7、 with data on the planets atmosphere, soil, rocks, and terrain.BHe works at NASAs Jet Propulsion Laboratory in Pasadena, California.CScientists call this site Marathon Valley, because when the rover reaches the area, it will have traveled the same distance as the length of a marathon since its arrival on Mars.DOpportunity has been working on Mars since January 20_4.EThe objective of the rovers was to help scientists learn more about the planet and to search for signs of life，such as the possible presence of water.FSince arriving on the Red