A：由造血干细胞形成淋巴细胞的过程中，细胞内核酸发生了改变
B：浆细胞在特异性识别抗原后，自身合成并分泌抗体来消灭抗原
C：吞噬细胞能识别抗原，在非特异性免疫和特异性免疫中都有着重要的作用
D：细胞免疫中，效应T细胞与靶细胞发生作用，使其裂解死亡的过程属于细胞凋亡
10＋2=____
17＋2=____
1＋9=____
10－2=____
10－3=____
11＋2=____
15＋2=____
9＋1=____
8＋2=____
7＋3=____
I get up at 6: 50 every morning. Then I put on my clothes and shoes. And I eat my breakfast at 7: 20. I have milk, apple and bread for my breakfast. I go to school by bus. I arrive at school at 8: 00. Then I have my lesson at 8: 20. I go home at 5: 30 after school.
关于我国气候的叙述，有误的是
