题目内容

6．The 29th Olympic Games is coming soon．It will start      August 8，in Beijing．（　　）
A．atB．inC．onD．for

分析 第29届奥运会很快就来到了，它将于8月8日在北京开幕．

解答 答案：C．
根据设空处后面的时间"August 8"可知句子中的时间状语是"8月8日"，这个时间具体到某一天，用介词on．at+时间点； in+年、月、季节等；on+具体的某一天或某一天的上午/下午/晚上．for+时间段；故选C．

点评 本题考查时间介词的用法．熟记时间介词的用法，掌握每一个时间介词后跟的时间类型及每个时态常用时间状语，是做题的关键．

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16．You've heard of 3D printing from newspaper and TV programs．It can"print"in plastic，metal，nylon，and over a hundred other materials.3D printing technology has been around since the 1980s，it was not widely used until the early 2010s．The first working 3D printer was created in 1984 by Chuck Hull．
3D printers use many different types of technologies，but they all share one thing in common：they create a three-dimensional（维度的） object by building it layer（层），by continuing layer，until the whole object is completed．Imagine a baker lay down each layer one at a time until the whole cake is formed.3D printing is somewhat similar，but just a bit stricter．How can 3D printers work so well？The most important thing-a program，a 3D printer also needs to have instructions for what to print from a computer．It needs a file as well．The file which is a Computer Aided Design （CAD） paper is created with the use of a 3D modeling program．The program creates a paper that is sent to the 3D printer．Along the way，software pieces the design into hundreds，or more likely thousands of layers．The 3D printer builds up one layer at a time，from the bottom to the top，until the object is done．
3D printings can be used for making many kinds of things such as machine parts，daily life objects，even human organs（器官） using a person's own cells．
Nowadays，Marc．Dillon founds a project which deals with many world famous paintings like Leonardo da Vinci's Mona Lisa，Van Gogh's Sunflower with 3D technology．This project helps the blind people enjoy the fantastic art through touching．In order to provide a good user experience，these 3D paintings have special instruments which can tell people what they touch．

49．The first working 3D printer was created inB．
A.1980      
B.1984      
C.2001      
D.2010
50．From Paragraph 2，we can know thatA．
A．how a 3D printer works         
B．what a 3D printing is                     
C．questions of a 3D printer           
D．uses of a 3D printer
51．According to the passage，Dcan help the blind know what they touch．
A．CAD paper                          
B．Machine parts．
C．The world famous paintings        
D．Special instruments 
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A.3D printers use 3 types of technologies．
B.3D printers make printings from the top．
C.3D printers work as a baker makes a cake．
D.3D printers piece the design into a few layers．
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14．Millions of movie fans like watching Avanda．It's really fantastic．（million）
1．cost，$10The T-shirt cost me 10 dollars．．
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15．I was drawing a horse when Kate _______ into the classroom．（　　）
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61．You should pay at leastB U．S dollars for 2 nights in the Hotel Ideal．
A.100               B.200                 C.400
62．The guest in the Hotel Ideal can go to Tiananmen SquareB at any time．
A．by train         B．on foot           C．by bus
63．A is impossible in the Hotel Ideal．
A．Swimming         B．Having breakfast      C．Accessing the Internet．
64．The staff in the Hotel Ideal areC．
A．relaxed            B．unhelpful            C．well-trained
65．You can have breakfast atB．
A.2：30p．m．   B.8：00a．m．   C.6：00a．m．

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