问题
单项选择题
下列数中最小的数是( )。
A．(1010010)2
B．(512)8
C．(00101000)BCD
D．(235)16
答案
参考答案：C
解析：[分析] 选项中四个数换算成十进制后依次为：82、330、28和565，显然最小的数为C项。
搜题请搜索小程序“爱下问搜题”
下列数中最小的数是( )。
A．(1010010)2
B．(512)8
C．(00101000)BCD
D．(235)16
参考答案：C
解析：[分析] 选项中四个数换算成十进制后依次为：82、330、28和565，显然最小的数为C项。
Learning Chinese may seem difficult to foreigners outside China． 36 , Daisy Raffan, an 37 girl in Britain, hopes to bring the language to the young people．Daisy has 38 an online learning website(网站) to teach the language to as 39 people as possible all over the world． 40 China’s fast development in the world, Daisy thinks 41 important for people to learn the language sooner rather than later．Daisy has 42 Putonghua since the age of five．Two years ago, after she decided to pass on what she had learned, this teenager 43 the idea for the website, kids Chinese club．com．She said, “People are afraid to learn Putonghua．One of the main reasons is that they think it’s an 44 language to learn, but I have had fun 45 it．And I hope what have done is easy and fun．”Her 46 offers a series(系列)of lessons, which are videos of Daisy teaching a group of students on topics from greetings and numbers to Chinese culture． Daisy’s website has 47 the support of several important persons—the teenager 48 she has received a letter praising(赞扬)her work from Gordon Brown, who is the British Prime Minister(首相)． She said, “I wrote to him and told him what I was doing and got a letter 49 ．He said that what I was doing was a really good 50 ．I thought it was amazing．I was excited that someone so important was supporting what we’re doing．”
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