对错畸形种族演化的叙述,不正确的是()。
A.颌骨逐渐退化缩小
B.颅骨逐渐增大
C.咀嚼器官进化增强
D.出现牙列拥挤
E.以上都不是
参考答案:C
I am very tired today. I _____ go to bed early.[ ]
A. should
B. shouldn't
C. can
D. can't
罪犯有哪些情形的,应暂停通信,待有关情形消失后,方可恢复通信?