质数最大的因数一定是质数;
故选:A.
单句改错
1. His uncle is thirty year old.______
2. Zhang Qian is a art teacher. ______
3. The basketball game is in July 2nd. ______
4. My birthday is 1980 May 20th. ______
5. Sally’s birthday is October nineth. ______
时差等于-6m,太阳上中天时,视时等于();平时等于()。
A.1206;1154
B.1200;1200
C.1200;1154
D.1200;1206