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第Ⅱ卷(共35分) 第四部分:书面表达(共两节,满分35分) 第一节 阅读表达(共5小题;每小题2分,满分10分) 阅读下面短文,并根据要求完成文章后的题目。 The Tang dynasty was probably the period when the Silk Road was at its busiest. One important centre on the road was the city of Chang’an, where present –day Xi’an now stands. Chang’an was the capital city of this dynasty and by about 750 AD  it had become a strong and successful capital of around two million people. Because of the chances for trade, a number of foreigners from bordering China lived in the city. The market at that time in Chang’ an were perhaps the most exciting markets anywhere in the word. They sold goods from India, Africa, Japan, Korea, Turkey, Iran and other Arab countries and many items in the markets world would have been completely to some of the buyers. Interesting animals was sold together with exotic plants and strange medicines. Dried animals, dried foods and dried plants were laid out for sale next to rare seeds and spices. But besides the hop to trade, which drew people together, China was still largely a mysterious country to the outside world, and certainly the secret of the silk making was still unknown. The route to the west followed different paths but the traders would have traveled from places to places, always looking for routes both to water and protection. However, the Ming Dynasty had its policy of isolation, together with the growth of Islam, reduced the traffic along this ancient route. Instead, _________________________________ become more popular and in the 15th century there were many Chinese ships trading silk and other goods along the coast of India, Arabia and Africa. 76.What’s the best title of the passage?( Please answer within 10 words.) _____________________________________________________________             _. 77.Which sentence in the passage can be replaced by the following one? To a great extent China was little known or understood by the outside world. _____________________________________________________________             _. 78.Please fill in the blank in the last paragraph with proper words or phrases to complete the sentence.(Please answer within 10 words) _____________________________________________________________             _. 79.Do you think the Silk Road is important in history? Why? (Please answer within 30 words.) _____________________________________________________________             _. 80.Translate the underlined sentence in the first paragraph into Chinese. _____________________________________________________________             _.
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【简答题】若函数y=f(x),x∈D同时满足下列条件,(1)在D内为单调函数;(2)存在实数m,n.当x∈[m,n]时,y∈[m,n],则称此函数为D内等射函数,设 f(x)= a x +a-3 lna (a>0,且a≠1)则: (1)f(x)在(-∞,+∞)的单调性为______; (2)当f(x)为R内的等射函数时,a的取值范围是______.
【多选题】网络商务信息对企业的哪些方面会起到重要的影响()。
A.
网络营销决策和计划
B.
企业的战略管理
C.
市场研究
D.
新产品开发
【多选题】网络商务信息对企业的哪能方面会起到重要的影响()
A.
网络营销决策和计划
B.
企业的战略管理
C.
市场研究
D.
新产品开发
【单选题】单选题 窗体顶端 题目: 标号法中,后续节点的距离起始值应为 选项:
A.
该节点数值最小的标号
B.
该节点数值最大的标号
C.
起点的标号
D.
终点数值最小的标号
【简答题】已知函数f(x)=ax+bsinx,当 x= π 3 时,f(x)取得极小值 π 3 - 3 . (1)求a,b的值; (2)设直线l:y=g(x),曲线S:y=f(x).若直线l与曲线S同时满足下列两个条件: ①直线l与曲线S相切且至少有两个切点; ②对任意x∈R都有g(x)≥f(x).则称直线l为曲线S的“上夹线”.试证明:直线l:y=x+2为曲线S:y=ax+bsinx“上夹线”.
【多选题】网络商务信息对企业的哪方面会起到重要的影响。
A.
网络营销决策和计划
B.
企业的战略管理
C.
市场研究
D.
新产品研发
【判断题】社会保障不足,储蓄率不会降下来。
A.
正确
B.
错误
【单选题】软件生存周期中花费最多的阶段是
A.
详细设计
B.
软件编码
C.
软件测试
D.
软件维护
【简答题】昆虫的 3 个胸节分别称为 ( ) 、 ( ) 、 ( ) ,前翅着生在 ( ) 上,后翅着生在 ( ) 上
【单选题】2019年《经济蓝皮书》发布暨中国经济形势报告会”。蓝皮书分析指出,我国居民储蓄率趋势性下降,但“储蓄率下降”与“储蓄不足”不完全画等号。下列对可能造成居民储蓄率下滑的原因分析合理的是 1存款储蓄的风险性太高2互联网理财加速了存款分流 3我国社会保障体系日趋完善4居民对未来收入预期不乐观
A.
②④
B.
②③
C.
①③
D.
①④
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