心脏性猝死的预防最关键是()。
A.减肥
B.降压
C.识别高危人群
D.降糖
E.戒烟
参考答案:C
按动物的本领分类,把序号填在横线上。(可重复)
1. cat 2. bear 3. dog 4. monkey
5. panda 6. bird 7. rabbit 8. duck
9. pig 10. elephant 11. mouse 12. squirrel
Animals that can fly (能飞的):
Animals that can jump (能跳的):
Animals that can walk (能走的):
Animals that can climb (能爬的):
周期轧制属于特殊轧制方法。