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Seminar Schedule All lectures will be from 9:00 a.m. to 12:25 p.m. Please note that there will be no lecture on May 5. To: Kimberly Ward From: Yasunobu Takagi Subject: Thanks I felt that your help was very valuable to my presentation. Most of the attendees had come to my lecture for the purpose of learning how to market the goods that they sell on their web sites. Without your input, I' m afraid they would have been disappointed with my lecture. I would like to incorporate some of the data that you have accumulated into my future presentations. I feel that I must change my focus from marketing a site to marketing the contents of a site. As agreed, let' s meet on May 10th. I have asked Ellen Lee to help me with this as well, so she will join us. I have another series of lectures coming up soon, so I' d like to do this right away. Regards, Yasunobu Takagi What is the main topic of the seminar?
A.
Business logistics
B.
Internet's evolution
C.
Internet business
D.
Maintaining a site
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【判断题】一个属性的信息增益就是由于使用这个属性分割样例而导致的期望熵降低。
A.
正确
B.
错误
【判断题】灵芝接种时动作要迅速,不能采用流水作业的方式接种。
A.
正确
B.
错误
【单选题】下列关于镇痛药吗啡的镇痛作用,说法不正确的是
A.
镇痛作用强大,对各种疼痛均有效
B.
对持续性钝痛强于间断性锐痛
C.
镇痛同时伴有镇静,可消除紧张情绪
D.
对间断性锐痛强于持续性钝痛
E.
伴有欣快感
【单选题】Japan declared war against the United States before the attack.
A.
True
B.
False
【简答题】工频电流的周期T= ,频率f= ,角频率w= 。
【单选题】能补肾阳,温脾阳,暖脾止泻的药物是()
A.
淫羊藿
B.
补骨脂
C.
巴戟天
D.
续断
【单选题】能补肾阳,温脾阳,暖脾止泻的药物是()
A.
淫羊藿
B.
补骨脂
C.
巴戟天
D.
续断
E.
肉苁蓉
【单选题】After a day’s hard work, Mary went to the nearby shop to _____ herself to a strawberry ice cream.
A.
satisfy
B.
treat
C.
provide
D.
offer
【判断题】非对称密钥加密算法的特点是通用密钥加密。
A.
正确
B.
错误
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