已知等差数列{an}满足a2+a4=4,a3+a5=10,则它的前10项的和S10=( )
A.138
B.13
C.95
D.23
答案:C
由题意得,解得,则,故选C.
下列有关生物进化的规律的叙述中,不正确的是( )
A.由陆生到水生
B.由水生到陆生
C.由低等到高等
D.由简单到复杂
The accident is my fault, so I had to pay for the damage ______ the other car.
A.of
B.at
C.to
D.on