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听力原文:W: Good evening, Mr. Brown, and welcome to the program. M: Thank you! W: I wonder if you could tell listeners more about the work you do? M: Certainly. W: Mr. Brown, I gather that you work for a company developing software for reading electronic books? M: That is so. W: Do you think there is much future in that7 M: Well, people buy music online—so why not books? W: You have to read electronic books on a machine, don't you? M: That is so, although of course you might be able to print them out on a printer. W: .So why should people read a book on an expensive machine when they can buy a cheap copy and carry it around with them and read it whenever they like? M: That is an interesting point. People need time to become aware of the value of e-books. W: Is it true that at the Frankfurt Book Fair, in 2000,there was a prize for the best books published in electronic form? M: Yes, that is true: the prize was worth $ 100,000. W: Who put up the money for the prize? M: Err, software companies such as Microsoft and Adobe. W: I suppose they are trying to encourage publishers to get the e-book business off the ground. M: That's probably true. (26)
A.
At a television studio.
B.
On a radio program.
C.
In a job interview.
D.
In a factory.
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【简答题】( 10000101) 8421 BCD = ( ) 10 ( 10110001) 2 = ( ) 16
【单选题】仰卧起坐时,腹直肌的工作条件和性质是
A.
近固定,向心工作
B.
远固定,离心工作
C.
上固定,向心工作
D.
下固定,向心工作
【简答题】数控铣床按主轴位置的不同可以分为 ______、______、______三类。
【单选题】十进制数25用8421BCD码表示为( )。
A.
00100101
B.
1001010
C.
10000101
D.
10101
【多选题】阅读材料回答问题: 安静的课堂上,忽然有学生嬉笑打闹;检测前,老师三令五申严肃考纪,但巡视中却忽然发现某某正在抄袭……这些事情的发生,破坏了正常的教学秩序,常常使老师非常恼火。但如果处理不当,事情就会恶化,造成很坏的影响。 请回答下列问题: 你认为在课堂教学中如果遇到这类事件应该怎么处理?()
A.
给予违反纪律的学生以严厉的批评和惩罚
B.
用冷静、镇定的态度对待学生的违纪行为
C.
课后,老师选择适当的时间、适当的地点主动找该学生进行交流、沟通
D.
委婉地用手势、幽默的语言或眼神暗示学生
E.
巧妙地批评且点到即止
【单选题】十进制数 25 用 8421 BCD 码表示为 ( ) 。
A.
10101
B.
00100101
C.
10010100
D.
10000101
【简答题】乐鑫公司产销量和资金变化情况如表3-7所示。2010年预计销售量为200万件,试运用高低点法 建立相关模型预测该公司2010年的资金需求量。 表3-7 产销量及资金变化情况 年 份 产销量(x i )(万件) 资金占用(y i )(万元) 2005 2006 2007 2008 2009 150 160 180 140 170 95 100 110 90 105
【简答题】观看视频《中国之治 懂了》,回答:____________________是中国国家治理体系的“纲”和“魂”。
【单选题】模拟调幅调制中 DSB 、 SSB 、 VSB 的已调信号所占用带宽大小关系为( )。
A.
DSB>SSB>VSB
B.
DSB>VSB>SSB
C.
SSB>DSB>VSB
D.
VSB>SSB>DSB
【单选题】将数字59H用8421BCD码表示为( )。
A.
01011001
B.
10000101
C.
10001001
D.
01011000
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