1磅约等于0.35毫米。
参考答案:对
The children were warned of not being too ______ about things they were not supposed to know.
A.strange
B.amused
C.curious
D.conscious
能决定个体实现的最大成长潜力的是()
A.个体营养状况
B.身体素质
C.社会环境
D.遗传
E.家庭氛围