15．假设你是红星中学高三学生李津.你校周六上午举办了高三学生成人仪式．在会上你和一位女生代表同学们发言.你父亲作为家长代表讲话．请你按照以下四幅图的顺序.写一篇英语日记．描述图画内容.并谈谈自己的感——青夏教育精英家教网——

15．假设你是红星中学高三学生李津，你校周六上午举办了高三学生成人仪式．在会上你和一位女生代表同学们发言，你父亲作为家长代表讲话．
请你按照以下四幅图的顺序，写一篇英语日记．描述图画内容，并谈谈自己的感想．（注意：字数不少于100词）

Yesterday our school held a memorable adulthood ceremony themed"growth，gratitude and responsibility"．（高分句型一）
I was honoured to be the host of ceremony，together with a girl．In the beginning，on behalf of all the students we expressed our gratitude to our parents and teachers．（高分句型二） Then a parents representative made a speech，expressing the best wishes and expectations to us，which made us feel the love and care from our teachers and parents．（高分句型三）Afterwards，we took an oath facing the national flag，showing our determination to be a qualified citizen and work hard for our country．Finally，hand by hand，we went through a so-called"Adulthood Gate"，which symbolized that we are all grown-up!（高分句型四）
After the ceremony，I know more about the meaning of the word"adult"，which attaches a responsibility to myself，to my family and to the society．（高分句型五）．

14．No matter how much better than us computers are in fields such as calculating and analyzing，we humans still have a few skills that are exclusive to us-keeping secrets，for example．But don't feel too relieved just yet，because computers may be catching up faster than we thought．
The Google Brain team has been working on computing systems called"neural networks"-systems that were designed based on how neurons work in the human brain．
This time，they gave a mission to three of the neural networks，which they named Alice，Bob and Eve．
Each of the networks had its own job-Alice sent messages to Bob，Eve tried to"eavesdrop"（偷听）and find out the messages，and Alice and Bob had to figure out a way to hide the messages from Eve．
All the help that Alice and Bob got from the researchers before the mission began was made up of a set of numbers，which Eve didn't have access to．
At first，Alice was not very good at sending secret messages．But slowly it worked on a way to encrypt （加密）them-putting information into a special code so that others could not understand it even if they got the information 一 using the numbers given by researchers．And
after practice，Bob also came to be able to decrypt （解密）Alice's messages．
Without the numbers or keys，Eve failed to understand Alice's"speech"most of the time．This test is considered a big step in the development of computers，learning skills．
"Computing with neural networks on this scale has only become possible in the last few years，so we really are at the beginning of what's possible，"Joe Sturonas of US encryption company PKWARE told New Scientist magazine．
Unfortunately，the test happened only one week after UK physicist Stephen Hawking，while speaking at Cambridge University，warned how artificial intelligence could develop a will of its own．This could be"either the best or the worst thing ever to happen to humanity"，he said．
But just as Sturonas pointed out，no matter what the possibilities of computers are in tlie future，they are just starting out．We still have plenty of time to work out a solution before they get anywhere near becoming a threat to humanity．

46．The underlined word"exclusive"in Paragraph 1probably means"B"．
A．common
B．limited
C．convenient
D．important
47．The Google Brain team did the test to find outD．
A．how neural networks encrypt and decrypt
B．how neural networks communicate with each other
C．if neural networks could develop a will of their own
D．if neural networks could keep their communication private
48．Which of the following statements is TRUE about the test？C
A．Alice was responsible for sending messages because she was good at encryption．
B．Alice and Bob learned to encrypt and decode with the help of researchers．
C．Eve often found it hard to make sense of the messages Alice sent to Bob．
D．The three neural networks worked together on the numbers given by researchers．
49．What can we conclude from the article？A
A．Artificial intelligence is not great at blind decryption，at least for now．
B．Artificial intelligence is now able to decode encrypted text without any guidance．
C．The more advanced artificial intelligence is，the more we can benefit from it．
D．Stephen Hawking is strongly against the development of artificial intelligence．
50．What is the author's attitude toward the development of artificial intelligence？A
A．Optimistic．B．Worried．C．Doubtful．D．Neutral．

13．I tried more than once to persuade the taxi driver to slow down，but he just_____ listen．（　　）

12．The news spread quickly through the village_____ the war had ended，_____made villagers wild with joy．（　　）

11．After a day's work，I went to the restaurant near my company to have dinner，only to be told that it_____．（　　）

	A．	is decorated		B．	was decorated
	C．	was being decorated		D．	is being decorated

10．It is essential that the two groups_____ kept separate．（　　）

9．一 What was it that made the girl _____ among the candidates？
一Her ability，determination and above all honesty．（　　）

8．The old man，_____ abroad for thirty years，is on the way back to his hometown．（　　）

7．A good advertisement，_____ people attach positive meanings，can contribute to the sales of a product．（　　）

6．Considering the different demands of the students，the school has adopted a more_____approach to education．（　　）

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