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In 1969, the first men landed on the moon.________£¬ I was twelve.

A. At a time B. At times

C. At that time D. At one time

C ¡¾½âÎö¡¿¾äÒ⣺ÔÚ1969Ä꣬µÚÒ»ÅúÈ˵ÇÉÏÁËÔÂÇò¡£ÔÚÄÇʱ£¬ÎÒ12Ëê¡£at a timeÿ´Î£»at timesÓÐʱ£»at that timeÔÚÄÇʱ£»at one timeÔø¾­¡£¸ù¾ÝI was twelve.¿ÉÖªÎÒ12Ë꣬±íʾÄǸöʱºò£¬¹ÊÓöÌÓïat that time£¬¹ÊÑ¡C¡£
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A company says it has completed the first 3D-printed home recently. The home was shown to reporters and visitors at a music festival.

The building company has developed large 3D- printers that build homes with mortar, a hard and strong

material. It uses robotics, computer programs and advanced materials to make houses.

Jason Ballard is the company's chief engineer. "So I'm standing in front of the first 3D-printed home in America. This house was actually printed in high winds, blowing dust and rain." It is important for the printing programmes to operate in bad weather conditions, such as weather disasters. The goal is to print homes in developing countries. So the printer has to be light enough to move from one property to the next.

Ballard imagines that someday, many 3D-printers will operate around the world to make homes. "It's actually a lot more simple to build a printer than it is to build a house," he said. "We ran this printer at about a quarter speed to print this house, and completed it in about 48 hours of print time."

The company developed this technology not to make money but to help provide a quick, cheap housing solution for the millions of people who need it most. There are about a billion people that don't have one of life's most basic human needs, and that's safe shelter.

Ballard says his company already works on housing needs with poor families in different areas. But he says that to really make a difference, the program will need to be greatly improved. He added that since the 3D-printing process is so much faster than traditional homebuilding, a whole community could be built in just a few months. He believes over time, people can get the new home below $4,000 with the help of 3D-printers.

1.What kind of building material can be used in 3-D printing according to the passage?

A. light but strong B. light and soft.

C. strong but expensive D. hard and strong.

2.What is the meaning of the underlined word property in Paragraph 3?

A. land for farming B. land for building houses

C. land for raising animals D. land for running companies

3.It will take about hours to print a house if the printer is at its full speed.

A. 12 B. 24 C. 36 D. 48

4.What is the best title for this passage?

A. The Future of 3D-printing B. The History of 3D-printing

C. The New Use of 3D-printing D. The Instructions of 3D-printing

1.D 2.B 3.A 4.C ¡¾½âÎö¡¿±¾ÎĽéÉÜÁËÄÜ´òÓ¡·¿×ÓµÄÈýά´òÓ¡»ú£¬ÕâÏî¼¼Êõ²»ÊÇΪÁË׬Ǯ£¬¶øÊÇΪÁË°ïÖú×îÐèÒª·¿×ÓµÄÈËÌṩһ¸ö¿ì½ÝµÄ¡¢±ãÒ˵Ľ¨Öþ·¿×ӵķ½·¨¡£ 1.D ϸ½ÚÀí½âÌâ¡£¸ù¾ÝThe building company has developed large 3D- printers that build homes with mortar, a har...

It is very important to have a law to base your life on. A law of life that1.(mean) a lot to me is that success is a journey, not a destination(Ä¿µÄµØ).

One person who shares my law of life is Mark McGwire, a US baseball2.(play). He once played for St Lewis Cardinals. He didn¡¯t get caught3. in the home-run competition in the1998 season, but4./?n?sted/ played every game in the best way he could. And, most ofthe time, he helped 5.(he) team. He didn¡¯t just go6. there and hit home runs because he wanted to be ahead in the end, but because he wanted to make it a good season for his team.

I also think my law of life can be applied£¨Ó¦Óã© by the Cardinals. They stay focused on7.(play) in the World Series. They know that even ifthey lose some games, they n8. give up.

It doesn¡¯t matter if you don¡¯t have the9./??b?l?ti/ to be on the top in the end or win the championship. All that matters is that you worked hard the whole time. There are a f10.people in the world know that success is considered as a journey, not a destination. After all, it¡¯s not about who wins or loses, but how well you play the game, and I hope I have applied this in my own life.

1.means 2.player 3.up 4.instead 5.his 6.out 7.playing 8.never 9.ability 10.few ¡¾½âÎö¡¿±¾ÎÄÊÇһƪÒéÂÛÎÄ¡£ÎÄÕÂͨ¹ýÁ½¸öÊÂÀý˵Ã÷Á˳ɹ¦ÔÚÓÚÏíÊÜŬÁ¦µÄÀú³Ì£¬¶ø²»±ØÌ«ÔÚÒâ½á¹û¡£ÈËÉúÈçÈü³¡£¬ÖØÒªµÄ²»ÊÇÊäÓ®£¬¶øÊÇŬÁ¦È¥´´Ôìÿ¸ö¾«²ÊµÄ˲¼ä¡£ 1.¾äÒ⣺Éú»îµÄ·¨Ôò¶ÔÎÒÀ´...

£¨2017ÄêºÚÁú½­¹þ¶û±õ£©

Travel to Italy

Cities

Milan£¨Ã×À¼£©

Venice £¨ÍþÄá˹£©

Florence£¨·ðÂÞÂ×Èø£©

Rome£¨ÂÞÂí£©

Population in=2010

1£¬307£¬900

270£¬500

369thousand

2.74million

Area

Larger than Florence's

7.6square kilometers

=104square kilometers

Over 1507square kilometers £¨City area£©

Typical featureÌØÕ÷

The second largest city in Italy

A water city

The birthplace of Rensissance£¨ÎÄÒÕ¸´ÐË·¢Ô´µØ£©

The capital city

Climate

Wet

Warm winter and Hot summer

Pleasant climate

Warm and wet in winter while hot and dry in summer

¸ù¾Ý±í¸ñËùÌṩµÄÐÅϢѡÔñ×î¼Ñ´ð°¸£®

1.There are famous Italian cities mentioned in the form£®

A. two B. three C. four

2.Milan has a climate according to the form£®

A. wet B. hot C. dry

3.According to the form£¬ is the smallest in area£®

A. Rome B. Venice C. Milan

4.Florence is well known as £®

A. the largest city in Italy

B. the water city

C. the birthplace of Rensissance

5.Which of the following is TRUE according to the form above£¿

A. In 2010£¬the population of Florence was larger than that of Milan£®

B. The population of Rome was 2£¬74£¬000in 2010£®

C. The capital city has an area of less than 1507square kilometers£®

1.C 2.A 3.B 4.C 5.B ¡¾½âÎö¡¿ÊÔÌâ·ÖÎö£ºÎÄÖÐÌáµ½ÁËÒâ´óÀûÖøÃûµÄËĸö³ÇÊУ¬·Ö±ðÊÇÃ×À¼£¬ÍþÄá˹£¬·ðÂÞÂ×ÈøºÍÂÞÂí£¬ÎÄÕ·ֱð´Ó¸÷×ÔµÄÈË¿Ú£¬Ãæ»ý£¬±êÖ¾ÐÔÌØÕ÷ÒÔ¼°ÆøºòËĸö·½Ãæ½øÐÐ˵Ã÷¡£ 1.ϸ½ÚÀí½âÌ⣬ÎÄÖÐÌáµ½ÁËËĸö³ÇÊУ¬·Ö±ðÊÇÃ×À¼£¬ÍþÄá˹£¬·ðÂÞÂ×ÈøºÍÂÞÂí£¬¹ÊÑ¡C£® 2.ϸ½ÚÀí½âÌ⣬ÎÄÖÐÓÃ"Wet"³±ÊªµÄÀ´½éÉÜÃ×À¼µÄÆøºò£¬¹ÊÑ¡A£® 3.ϸ½ÚÀí½â...

A jobless man wanted to apply (ÇóÖ°) for the position of ¡°office boy¡± at Microsoft.The staff manager interviewed him and then gave him a __________: clean the floor.The man passed it: he cleaned the floor very well.¡°You are hired(¹ÍÓÃ)£¬¡± the manager told the man.¡°Give me your email address, and I'll send you the form to __________. I shall also send you the __________ you should report for the work.¡± The man replied, ¡°I don't have a __________ or email£¡¡± ¡°I am sorry£¬¡± said the manager.¡°If you don't have email, that means you do not exist(´æÔÚ)£®And we cannot __________persons who do not exist.¡± The man was very __________.He didn't know what to do.He only had 10 dollars with him.Once that was __________, he wouldn't have any money to buy even food.He went to the supermarket and bought a box of tomatoes with his 10 dollars.He went from door to door and __________ the tomatoes in small bags.He doubled his money.

He __________ this three times, and returned home with 60 dollars.He realized that he could continue to live this way.He started to go earlier every day, and returned later.He doubled or made even three times his money every day.Soon, he __________ a cart, then a truck.In a very short time, he had his many delivery(µÝËÍ)trucks. Five years later, the man became one of the biggest __________ sellers in the country.He started to plan his family's future.He called an insurance(±£ÏÕ)broker, a man who sells insurance.At the end of the __________, the broker asked him for his email address.The man replied, ¡°I don't have email.¡±

Hearing that, the broker felt very __________.¡°You don't have email, and yet you have succeeded in becoming so __________.Can you imagine what you could have been if you had email£¿¡± he said aloud.The man thought for a while, and replied, ¡°An office __________at Microsoft£¡¡±

If you just lost your job or just failed an interview, don't worry.Think of the positive(»ý¼«µÄ)things.Good days are on the way and something better will happen to you.

1.A. job B. hand C. chance D. test

2.A. check out B. put up C. fill in D. write down

3.A. name B. date C. address D. ticket

4.A. computer B. screen C. website D. letter

5.A. believe B. pay C. accept D. refuse

6.A. pleased B. excited C. embarrassed D. disappointed

7.A. exchanged B. spent C. wasted D. lost

8.A. divided B. showed C. kept D. sold

9.A. repeated B. reminded C. tried D. counted

10.A. borrowed B. repaired C. received D. bought

11.A. truck B. insurance C. food D. door

12.A. introduction B. conversation C. business D. story

13.A. worried B. satisfied C. upset D. surprised

14.A. clever B. healthy C. rich D. confident

15.A. boy B. secretary C. cleaner D. head

1.D 2.C 3.B 4.A 5.C 6.D 7.B 8.D 9.A 10.D 11.C 12.B 13.D 14.C 15.A ¡¾½âÎö¡¿ÊÔÌâ·ÖÎö£º±¾ÎĽéÉÜÁËÒ»¸öÄÐÈËÒòΪûÓеç×ÓÓÊÏ䣬ûÓб»Î¢Èí¹«Ë¾Â¼ÓÃΪÇÚÔÓ¹¤¡£ËûÓýöÓеÄ10ÃÀÔªÂòÁËÎ÷ºìÊÁ£¬°¤¼ÒÈ¥³öÊÛ£¬Öð½¥µØ׬ÁËÇ®¡£ÎåÄêºó£¬Ëû³ÉΪȫ¹ú×î´óµÄʳƷÏúÊÛÉÌÖ®Ò»¡£...

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