Among other things,the story shows that
A. good will be rewarded with good.
B. it is okay to accept pay for a kindness.
C. it is wise neither to borrow nor to lend.
D. where there'S a will there'S away.
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具有下列化学结构的药物为
A. 环磷酰胺
B. 异环磷酰胺
C. 卡莫司汀
D. 美法仑
E. 白消安
The condition where our wants are greater than our resources is called______.
A. opportunity cost
B. disutility
C. economic loss
D. scarcity
1925年毛泽东在填写《少年中国学会改组委员会调查表》时,主张国民革命应实行的路线是()
A. 社会主义路线
B. 三民主义路线
C. 新民主主义路线
D. 共产主义路线