专题10阅读理解说明文75篇(2023山东泰安·统考中考真题)China has sent the final section of its Tiangong space station into space.After a 13-hour trip,the new section,known as Mengtian,docked()with Tiangong space station on the early morning of November 1st,2022,finally completing it.The new section was launched from Hainan Island in the south of China.For years,China has been working hard to create its own space station.Last year,China began to launch threemodules()of Tiangong space station,one at a time.The main module,Tianhe,was launched in April 2021.Itholds the power source and main controls for the station,as well as the astronauts'living area.In July 2022,Chinalaunched its first laboratory module,Wentian,which is the country's largest ever spacecraft.The new module,Mengtian (meaning "dreaming of the heavens"),is also designed as a laboratory.It is about18 meters long and has 8 special research areas for experiments().Mengtian is set up so that experiments canalso be run outside the module itself.Chinese astronauts can use special robotic arms to run experiments frominside Tiangong.China's space program is working with the European Space Agency on some experiments on the Mengtian,China says that one day,foreign astronauts will also be able to visit Tiangong.Tiangong space station is expected to last 10 to 15 years.Though the Mengtian module completes the station,China could add more modules in the future.China's space program has grown greatly in recent years with a series of successes.In 2020,for example,itsChang'e 5 probe returned to the earth carrying moon rocks.Those were the first moon samples brought to the earthsince the 1970s.1.The meaning of the underlined word "launched"in the first paragraph is the closest toA.sent upB.landedC.taken offD.set up2.Which module is the astronauts'living area in?A.Tianhe.B.Wentian.C.Mengtian.D.It is not mentioned.3.When was China's largest spacecraft launched?精品考试学习文档上www.okokn..comA.n2020.B.In April 2021.C.In July 2022.D.On November 1st,2022.4.Which of the following statements is TRUE?A.No more modules can be docked with Tiangong in the future.B.Chang'e 5 probe brought moon rocks back to the earth in 2020.C.China created Tiangong space station together with European Space Agency.D.Chinese astronauts can't use robotic arms to run experiments from inside Tiangong.(2023·安微·九年级统考专题练习)Seagrass,an underwater plant that grows on the ocean floor,is very important for sea life.It also helps preventglobal warming by storing carbon,a harmful gas.However,scientists don't know exactly how much seagrass is atthe bottom of the ocean.With the help of tiger sharks,a team of researchers has discovered the world's largestseagrass meadow (grassland on the seafloor near the Bahamas.Seagrass meadows are home to many different kinds of fish,shellfish,and so on.Large sea animals,such assharks,also spend a lot of time there looking for food.Seagrass can grow in very deep and dark waters,making itdifficult to find.But sharks can dive deep into the water and get to the areas people cannot reach.After noticing tiger sharks swimming through seagrass off the Bahamas,an American scientist worked with aseagrass expert,trying to map the locations of the plants.The researchers fitted seven tiger sharks with cameras.Since tiger sharks swim in groups,they placed satellite tracking tags(卫星跟踪器)on eight other sharks to find outexactly where the animals swam.They collected hours of videos of the tiger sharks swimming through seagrass.The researchers found more seagrass growing near the Bahamas than they expected-in fact,they believe thatthere is more seagrass there than anywhere else on Earth.The new finding increased the total number of seagrassknown to exist by 41%.However,more research is needed to discover the true size of the seagrass meadow.Scientists often depend on findings from divers and boats to study about the underwater world,but this teamfound that working with animals improved their understanding.They are now placing cameras on sea turtles tostudy seagrass in the Red Sea.Hopefully,more mysteries about seagrass will be solved.5.What are the scientists studying according to the passage?A.Sharks.B.The Bahamas.C.SeagrassD.The Red Sea6.Which italic(f斜体)word has the same meaning as the underlined word“map”in Paragraph3？精品考试学习文档上vw.okokn.com