明后期松江人何良俊记述：“(正德)以前，百姓十一在官，十九在田……今去农而改业为

Ma Jiajue, a college student who killed four of his schoolmates, _______ in Sanya, Hainan Province

several days ago.[ ]

A. was caught

B. caught

C. is caught

D. was catching

有以下程序：void f(int *x,int *y){int t;t=*x;*x=*y;*y=t;}main(){int a[8]={1,2,3,4,5,6,7,8},i,*p,*q;p=a;q=&a[7];while(p

A．8,2,3,4,5,6,7,1,

B．5,6,7,8,1,2,3,4,

C．1,2,3,4,5,6,7,8,

D．8,7,6,5,4,3,2,1,

十一届全国人大常委会第四次会议表决通过了《循环经济促进法》和关于批准《万国邮政联盟组织法第七附加议定书》等四个条约的决定。这体现了全国人大具有[ ]

A、审议权和决定权

B、立法权和决定权

C、审议权和外交权

D、立法权和监督权

细菌具有细胞核的说法合适吗？为什么？

生物化学需氧量。