A、 f(2)-f(0)
B、
C、
D、 f(1)-f(0)
答案:C
解析:解析:
A、 f(2)-f(0)
B、
C、
D、 f(1)-f(0)
答案:C
解析:解析:
A.
B.
C.
D.
解析:试题解析:本题考查的知识点为-阶微分方程的求解.可以将方程认作可分离变量方程;也可以将方程认作-阶线性微分方程;还可以仿二阶线性常系数齐次微分方程,并作为特例求解.
A. do
B. didn't do
C. don't
D. didn't
A. 中共一大
B. 中共二大
C. 中共三大
D. 中共四大
A. listen
B. catch
C. miss
D. receive
解析:解析:listen 听 listen toCatch 抓住,听到解析:miss 丢失解析:receive 收到
A. That we discussed
B. What we discussed
C. How did we discuss
D. What did we discuss
解析:解析:(be of importance= be important)
A. what does the house look like
B. what the house looks like
C. how does the house look like
D. how the house looks like
A. will never end
B. would never end
C. have never ended
D. had never ended