某人原地不动记作0米,向东走6米记作+6米,则-8米表示______.
向东为正,则向西为负,
∵向东走6米记作+6米,
∴-8米表示向西走8米.
故答案为:向西走8米.
使血管紧张素Ⅱ的生成减少:
A.卡托普利
B.普萘洛尔
C.二者均可
D.二者均否
---Do you think Peter is free today?
---I don’t think so. Recently he has been ______ the most of his time to prepare for the final examinations.
A.making
B.planning
C.using
D.getting