【单选题】基于蛋白质的互补作用,在膳食的选择搭配中应注意的问题,哪项不对?
【简答题】听下面一段对话,回答第1-2小题。 1. What was the weather like in California last winter? [ ] A. It was as cold as in Paris. B. It snowed as much as in Paris. C. It snowed less in Paris. 2. Which season is the mo...
【判断题】用拉格朗日的方法既可以建立在牛顿力学的观点看来的惯性系中的动力学方程,亦可建立非惯性系中的动力学方程。
【判断题】用拉格朗日的方法既可以建立惯性系中的动力学方程,亦可建立非惯性系中的动力学方程。
【单选题】What kind of figure of speech does the author use? It was the best of times, it was the worst of times, it was the age of wisdom, it was the age of foolishness, it was the epoch of belief, it was the ...
【单选题】如果消费者消费的x,Y商品的价格之比是1.25:1,它们的边际效用之比是2:1,为达到效用最大化,消费者应:
【单选题】What was the season when story Hugo take place?
【单选题】既能避孕,还能有效避免性传播疾病的避孕方法是什么?
【简答题】分析下面的程序 , 掌握字符串的连接和取字符串的子串的操作。 #include int main( ) { int i=0; char s[100],*p1="program ",*p2 , *p; p2="code" while(*p1!='\0') { s[i++]=*p1; p1++; } // 与 s[i++]=*p1++; 等价 while(*p2!='\0') s[i++]=*...
【多选题】阅读图片原文,回答以下问题:Q1、what are the advantages and disadvantages of rail transport?Q2、原文哪一段可以回答本题问题1?
A.
capable of meeting different needs
B.
capable of carrying heavy and light products
C.
capable of running at different speeds
D.
favorable freight rates