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China launched its second（）space flight in October 2005.
- A、man
- B、maned
- C、manning
- D、manned
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第二篇The Mir Space StationThe Russian Mir Space Station,which came down in 2001 at last after 15 years of pioneering the concept of long-term human space flight,is remembered for its accomplishments in the human space flight history.It can be credited with many firsts in space.During Mir's lifetime,Russia spent about US $4.2 billion to build and maintain the station.The Soviet Union launched Mir,which was designed to last from three to five years,on February 20, 1986,and housed 104 astronauts over 12 years and seven months,most of whom were not Russian.In fact, it became the first international space station by playing host to 162 people from 1 1 countries.From 1995 through 1998,seven astronauts from the United States took turns living on Mir for up to six months each.They were among the 37 Americans who visited the station during nine stopovers by space shuttles.The more than 400 million the United States provided Russian for the visits not only kept Mir operating,but also gave the Americans and their partners in the international station project valuable experience in long-term flight and multinational operations.A debate continues over Mir's contributions to science.During its existence,Mir was the laboratory for 23,000 experiments and carried scientific equipment,estimated to be worth $80 million,from many nations.Experiments on Mir are credited with a range of findings,from the first solid measurement of the ration of heavy helium（氦）atoms in space to how to grow wheat in space.But for those favouring human space exploration,Mir showed that people could live and work in space long enough for a trip to Mars.The longest single stay in space is the 437.7 days that Russian astronaut Valery Polyakov spent on Mir from 1994 to 1995.And Sergie Avdeyev accumulated 747.6 days in space in three trips to the space station.The longest American stay was that of Shannon Lucid,who spent 188 days aboard Mir in 1996.Despite the many firsts Mir accomplished,1997 was a bad year out of 15 for Mir.In 1997,an oxygen generator caught fire.Later,the main computer system broke down,causing the station to drift several times and there were power failures.Most of these problems were repaired,with American help and suppliers,but Mir's reputation as a space station was ruined.Mir's setbacks are nothing,though,when we compare them with its accomplishments.Mir was a tremendous success,which will be remembered as a milestone in space exploration and the space station that showed long-term human habitation in space was possible.But it's time to move on to the next generation.The International Space Station being built will be better,but it owes a great debt to Mir.What happened to Mir in 1997?A:It ran out of its fund.B:Its main computer system broke down.C:It was completely damaged by fire.D:Its reputation was ruined due to power failures.
考题
Soon after ___________, Britain not only gave up its economic hegemony but also suffered a deep loss of its position of industrial leadership.A.1900
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You are attending a meeting on Microsoft Windows Meeting Space. At the same time， you attempt to join a second meeting also hosted on Windows Meeting space. The dialog box that allows you to join the second meeting fails to open. You need to join the second meeting. What should you do？（）A、Join the second meeting by using Microsoft Office Live Meeting.B、Enable the Windows Media Player Network Sharing Service Windows Firewall exception.C、Click the Leave meeting option in the first meeting， and then join the second meeting. D、Open Windows Meeting Space， create a new meeting， and specify a password for others to use when they join the meeting.
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单选题Which is true on the subarachnoid space in the vertebral canal（）。A
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考题
多选题Evaluate the following command and its output: Which two statements correctly interpret the output?（）AFREE_SPACE indicates only the space that is currently unallocated.BALLOCATED_SPACE indicates only the space currently allocated and in use.CFREE_SPACE indicates only the space that is currently allocated and available for reuse.DALLOCATED_SPACE indicates both the space currently allocated and used, and the space that is available for reuse.EFREE_SPACE indicates both the space that is currently allocated and available for reuse, and the space that is currently unallocated.
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单选题The phrase “tool off” in the second paragraph means “_____”.A
dropped to the groundB
became very successfulC
removed its coatD
went away suddenly
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问答题Li-Ning has two key advantages in reaching the all-important youth market: its products are about half as expensive as those of its foreign rivals, and its network of stores dwarfs that of any other player. To date, though, Li-Ning has been most successful in smaller cities and towns. To really take on the foreign brands, it needs to make a renewed push into the likes of Beijing, Shanghai, and Guangzhou. “Li-Ning is using the Mao Zedong strategy to build expertise in second and third-tier cities,” says an industry veteran, “now they have to gain footholds in China’s biggest cities.”
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单选题Certain dangerous goods are required “to be stowed in a mechanically ventilated space”. When such goods are carried in a closed Ro/Ro cargo space or a special category space，this space should（）.A
be mechanically operatedB
be temperature controlledC
be mechanically ventilatedD
not allow to run its refrigeration or heating equipment
考题
单选题China plans to double its gas use in the next decade ______.A
to bolster the sales of its natural gas.B
to cut pollution.C
to reduce its reliance on the imports.D
All of the above except (A).
考题
多选题Evaluate the following command and its output： SQLSELECT * FROM dba_temp_free_space； TABLESPACE_NAME TABLESPACE_SIZE ALLOCATED_SPACE FREE_SPACE LMTEMP 250609664 101048576 149561088 Which two statements correctly interpret the output？（）AFREE_SPACE indicates only the space that is currently unallocated.BALLOCATED_SPACE indicates only the space currently allocated and in use.CFREE_SPACE indicates only the space that is currently allocated and available for reuse.DALLOCATED_SPACE indicates both the space currently allocated and used，and the space that is available for reuse.EFREE_SPACE indicates both the space that is currently allocated and available for reuse，and the space that is currently unallocated.
考题
填空题We all felt excited when China succeeded in (launch) ____ its first manned spaceship.
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