【简答题】用所给词的适当形式填空 1. We're doctors, so it's our _______ (duty) to save patients. 2. The road is _______ (crowd). Mr. Wang drives his car slowly. 3. What causes the _______ (ill)? 4. Did they enjoy _______ (...
【多选题】补全对话 从所给的选项中选择正确的选项填空,使对话完整,有一项多余。 Kate:You're late today!I have waited here for twenty minutes. Paul:I'm really sorry. ________(1) Kate:Why didn't you drive your car? It's faster than taking a bus. P...
A.
. What made you do that?
B.
. I had to wait for a bus for a long time.
C.
. What's wrong with your car?
D.
. I am going to buy a bike and then ride to work.
E.
. I won't drive unless it is necessary.
F.
. turning off the lights before leaving
【简答题】9 个顾客编号为(T1,T2,T3,T4,T5,T6,T7,T8,T9),每一顾客购买的商品记录为:{{I1,I2,I5},{I2,I4},{I2,I3},{I1,I2,I4},{I1,I3},{I2,I3},{I1,I3},{I1,I2,I3,I5},{I1,I2,I3}}。设最小支持度为22%,最小置信度为50%,利用Apriori算法进行关联分析,写出所有频繁项集和有效强关联规则。 购物篮数...
【单选题】It's our duty _________ the room every day. A. to clean B. cleaned C. clean D. cleans
【简答题】用括号中所给词的适当形式填空。 1. It is our duty (keep) our classroom clean. 2. Don't worry. There (be) plenty of time. 3. The students' (pronounce) isn't good, but it's improving. 4. John is worried about the comin...
【简答题】The second thing that they did was they ___1___ a phenomenal ___2____ action in cooperation by the people of China to this response. And the interesting thing is that people have ____3____ on that say...
【简答题】下表中的第 1 行和第 2 行列举了一个信源的统计特性,对其进行哈夫曼编码,画出编码过程,并将编码结果填入表的第三行。 符号集 {x i } x 1 x 2 x 3 x 4 x 5 x 6 概率分布 { p i } 0.40 0.20 0.1 3 0.11 0.09 0.0 7 Huffman 编码
【多选题】我国供给侧结构性改革中的积极财政政策的主要政策措施是( )。
A.
进一步减税降费,全面实施 “营改增”改革,加快步伐,加大收费基金清理和改革力度
B.
适度扩大财政赤字规模,在增加必要的财政支出的同时,主要用于弥补减税降费带来的财政减收,保障政府应该承担的支出责任
C.
调整优化支出结构,案可持续、保基本的原则安排好民生支出
D.
加大财政资金统筹使用力度,创新财政支出方式,提高财政支出效率
【简答题】9 个顾客编号为(T1,T2,T3,T4,T5,T6,T7,T8,T9),每一顾客购买的商品记录为:{{I1,I2,I5},{I2,I4},{I2,I3},{I1,I2,I4},{I1,I3},{I2,I3},{I1,I3},{I1,I2,I3,I5},{I1,I2,I3}}。设最小支持度为22%,最小置信度为50%,利用Apriori算法进行关联分析,写出所有频繁项集和有效强关联规则。 购物篮数...
【简答题】下表中的第 1 行和第 2 行列举了一个信源的统计特性,对其进行哈夫曼编码,画出编码过程,并将编码结果填入表的第三行,并计算编码效率。 符号集 {x i } x 1 x 2 x 3 x 4 x 5 x 6 概率分布 { p i } 0.40 0.20 0.1 3 0.11 0.09 0.0 7 Huffman 编码