【单选题】在室温低于30℃时,人体皮肤不感蒸发量每天约为
【简答题】How does Li Kaifu manage to convey the idea that mobile payment has come true in China?
【单选题】If you are to refute the point that mobile payment in China is at the cost of the possible leakage of personal information of the users, an acceptable argument can be______________.
A.
concerns for privacy are not important in Chinese culture
B.
mobile payment is strictly and effectively regulated by laws
C.
not all people in China use mobile payment
【单选题】莪术醇为莪术挥发油的主要成分,其结构类型是( )