【单选题】碳水化合物是人体热能的重要来源,占人体每日所需热能的_____________。
【单选题】碳水化合物是人体的热能的重要来源,占人体每日所需热能的 ?
【简答题】Which of the following statements about primary data and secondary data is/are true?A. Primary data are collected by the researcher; secondary data are derived from primary data. B. Secondary data are...
【单选题】碳水化合物是人体热能的重要来源,占人体每日所需热能的————。
【单选题】Which one of the following is not a positive effect of 'better data'?
A.
better data is something that is desired.
B.
better data is good for corporate earnings.
C.
better data will lead to the fed starting to pull back from its quantitative easing.
D.
better data is good for stock prices.
【单选题】碳水化合物是人体热能的重要来源,占人体每日所需热能的百分比是( )。