问题
单项选择题
非淋巴样组织中DC不包括()。
A.并指状DC
B.滤泡样DC(FDC)
C.边缘区DC
D.上列A和B两项
E.上列A、B和C三项
答案
参考答案:E
非淋巴样组织中DC不包括()。
A.并指状DC
B.滤泡样DC(FDC)
C.边缘区DC
D.上列A和B两项
E.上列A、B和C三项
参考答案:E
综合填空。 | |
chemical plant 2 terrible gas. It's called 3 pollution. It makes people 4 . It causes 5 problems and even cancer. Farmers use fertilizer too much, so 6 pollution is difficult to be stopped. Every year people pour a lot of waste into rivers, lakes 7 . So 8 pollution is widely spread. Light pollution is 9 to our eyes. What's more, 10 pollution influences the look of our cities. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. |