5个2分硬币大约重10克。[ ]
正确
Many Americans do not understand why there is so much international criticism of the US policy on () change.
A. atmosphere
B. sky
C. weather
D. climate
出生时体重为3kg的小儿,10个月时其体重大约应为
A.6.8kgB.7kgC.7.6kgD.8kgE.8.5kg