书面表达1.thereisanimpetuous(急性的)farmer.Assoonasheplantedriceshoots(苗),heexpectedthemtoatonce.Butafewdayslaterwhenhewenttothefieldstohavealook,hedidn'tseethericesho
书面表达 1.________ there is an impetuous (急性的) farmer. As soon as he planted rice shoots (苗), he expected them to ________ at once. But a few days later when he went to the fields to have a look, he didn't see the rice shoots grow. 2.Was there a way to make the shoots grow? He ________ and finally he had an idea ________ upward from the soil. And so he did. 3.After ________ , he got back home with his head covered with sweat (汗) , and said to ________ “Today I was too worn out (累). I had all the rice shoots grow a lot.” 4.On hearing this, his son ________ that he hurried to the fields to see what his father had done to the shoots. When he got to the fields, he found ________. |
QB几道编程题(选择A、B、C、D)S=0:T=1FORI=1TO10T=2^(I-1)S=S+T 2020-05-13 …
可以参考的公式是:s[1]=a[1];s[n]=s[n-1]>=0?s[n-1]+a[n]:a[n 2020-05-14 …
分数拆分:1/s(s-1)^3如题答案是-1/s+1/(s-1)-1/(s-1)^2+1/(s-1 2020-05-14 …
某植物园要建形状直角梯形的苗圃两条邻边借用夹角为135度的两面墙另两条边总长为60m设垂直于底边的 2020-05-14 …
证明S奇/S偶=n+1/n-1.不要复制,见下S奇=a1+a3+a5+a7+...a(2k+1)= 2020-06-12 …
已知传递函数 G(S)=6s2+1/s3+3s2+3s=1 H(S)=(s+1)(s+2)/(s+ 2020-06-27 …
已知S(1)、S(2),证(r+1)S(2)=(r-1)S(1)^2+2aS(1).S(1)=a+ 2020-07-22 …
在适宜温度条件下,研究CO2浓度倍增对干旱胁迫下黄瓜幼苗光合特性的影响,结果如下表,请回答.组别处理 2020-10-29 …
设实数集S是满足下面两个条件的集合:①1∉S;②若a∈S则1/1-a∈S(1),求证:若a∈S,则1 2020-12-01 …
用未感染过病原体的健康小鼠A和B做实验(见下图),请回答有关问题。(1)S疫苗和S病原体表面都应该具 2020-12-20 …