皮皮学，免费搜题
登录
搜题
【简答题】
为迎接中华人民共和国成立70周年,复兴中学开展“奋进七十载,逐梦新时代”主题活动。请你积极参与,运用所学知识回答下列问题。 【加油,中国!】 材料一 拒绝了国外索要天价技术指导费,我们历经数年艰难攻关,最终完美完成了港珠澳大桥的沉管隧道施工;从一纸规划到提供全球服务,北斗的星路历程走了25年......每一件大国重器,每一项超级工程,每一次技术突破,都是科技工作者一代又一代人的担当和努力,最终,创造了举世瞩目的中国奇迹。 材料二 当前,我国经济建设已由高速增长阶段转向高质量发展阶段,对科技创新的要求也越来越迫切。2018年我国企业科技创新研发投入约2万亿元,比上年增长11.6%。科技创新的投入使得我国企业的创新能力、创新成效都逐步呈现出来。 (1)结合上述两则材料,分析说明我国是如何建设创新型国家的。
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】Is it a busy time of year for Rachel and david?
【简答题】商品是用来交换的劳动产品。根据这一含义，下列情况属于商品的是（ ）。
【简答题】David Copperfield is my first love. People fall in love seeing the beauty, grace and perhaps the qualification of a person. I, however, fell in love with young David, after reading his life-long strug...
【简答题】商品是用来交换的( )。
【简答题】阅读程序写结果,一行为一空 #include using namespace std; class Demo { public: Demo(){cout<<"default constructor\n";} Demo(const Demo &x){cout<<"copy constructor\n";} ~Demo(){cout<<"destructor\n";} }; Demo userCod...
【简答题】阅读以下程序,写出程序执行结果,第一行为___________,第二行为____________,第三行为______________。 注:程序结果的每个数据之间一个空格
【简答题】My name is Mike and I have a brother and a sister,David and Helen. 1 breakfast we 2 like hamburgers.Helen and I like milk, 3 David doesn’t.I don’t like eggs for breakfast,but David and Helen do.I like...
【简答题】商品是用来交换的劳动产品。根据这一含义，下列情况属于商品的是（ ）。
【单选题】For David, the marginal utility from an additional car is 2,000 units and the marginal utility from an additional vacation is 1,000 units. David is allocating all his budget. Hence to maximize his uti...
A.
shift his consumption from the vacation to the car.
B.
shift his consumption from the car to the vacation.
C.
save his budget by not spending it until he can afford both the car and the vacation.
D.
buy both the car and the vacation now.
E.
possibly do something, but there is not enough information available to determine what he would do.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
