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Jean is a bright young woman from a rich and famous family. She goes to a good university and has almost everything that money can buy. But the people in Jean’s family are so busy that they can hardly find time to be with her. In fact, Jean is quite lonely. So Jean spends a lot of her time on QQ. She likes being anonymous(匿名的) talking to people who do not know about her famous family and her rich life. She uses the name Linda on QQ and has made a lot of friends. Last year Jean made a very special friend on QQ. His name was David and he lived in San Francisco. David was full of stories and jokes. He and Jean had the same interests in rock music and modern dance. So it always took them many hours to talk happily on QQ and sometimes they even forgot the time. Of course, they wanted to know more about each other. David sent a picture of himself: he was a tall, good-looking young man with a big, happy smile. As time went by, they became good friends and often sent cards and small things to each other. When Jean’s father told her that he was going on a business trip to San Francisco, she asked him to let her go with him, so that she could give David a surprise for his birthday. She would take him the latest DVD of the rock singer they liked most. But when Jean knocked on David’s door in San Francisco, she found that the special friend she had talked to was a twelve-year-old boy named Jim! 小题1:Jean spends time talking on QQ in order to . A.tell others she is from a good family. B.find someone to talk to. C.learn more from the QQ talking. D.find a good boy friend. 小题2:The real name of the special friend she made on QQ is         . A.David B.Jean C.Jim D.Linda 小题3:Which of the following sentences is wrong according to the passage A.Both David and Linda aren’t real names. B.Jim was a tall, good-looking young man. C.Jean went to San Francisco with her father. D.Jim and Jean both like rock music. 小题4:What’s the best title of the passage? A.A Real Surprise B.A Talk on QQ C.A Bright Young Girl D.A Good-looking Boy
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参考答案:
举一反三
【判断题】《电子签名指令》和《电子商务指令》这两部法律文件协调与规范了电子商务立法的基本内容,构成了欧盟国家电子商务立法的核心和基础。
A.
正确
B.
错误
【判断题】( )产品的负责人只能为一个,如果将产品从A账号分配给B账号,则A账号中将不显示该产品。
A.
正确
B.
错误
【判断题】产品的负责人只能为一个,如果将产品从A账号分配给B账号,则A账号中将不显示该产品。
A.
正确
B.
错误
【单选题】以下不属于 热释电红外传感器中 菲涅尔透镜的作用的是( )。
A.
聚焦作用,即将探测空间的红外线有效地集中到热释电红外传感器上。
B.
将探测区域内分为若干个明区和暗区,使进入探测区域的移动物体能以温度变化的形式在 A 元 . B 元上产生变化的红外信号
C.
美观,使 热释电红外传感器外观更加好看。
【多选题】菲涅尔透镜的主要作用是什么?
A.
聚焦作用,将热释的红外信号折射(反射)在PIR上。
B.
使传感器的检测范围更远
C.
将检测区内分为若干个明区和暗区,使进入检测区内的移动物体能以温度变化的形式在 PIR上产生变化热释红外信号。
D.
保护热释电传感器
【单选题】用于区别乙醇、乙酸、乙醛的一组试剂是
A.
斐林试剂和氯化铁溶液
B.
氯化铁溶液和溴水
C.
托伦试剂和金属钠
D.
pH试纸和托伦试剂
【判断题】通常讲的200度的近视镜其屈光度等于-2
A.
正确
B.
错误
【单选题】下列选项中不属于菲涅尔透镜的作用的是()。
A.
提高探测灵敏度
B.
控制探测方向和角度
C.
放大信号
【简答题】菲涅尔透镜的作用是__________和_____________。
【判断题】产品的负责人只能为一个,如果将产品从A账号分配给B账号,则A账号中将不显示该产品。
A.
正确
B.
错误
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