What will you do when your friends ask for suggestions from you?
A. Know about their entire life.
B. Leave them alone.
C. Respect their privacy.
D. Just listen to him/her silently.
重量差异检查主要是用于评价药品质量的（ ）
A. 有效性
B. 安全性
C. 稳定性
D. 均一性
What if your friends made mistakes?
A. Forgive them.
Blame them.
C. Laugh at them.
D. Isolate them.
What can “generation gap”bring about in a family?
A. Loneliness
B. Worries
Conflicts
D. Happiness
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