在单因子方差分析中,因子A有4个水平,每个水平下各重复试验5次,则误差平方和的自由度为()。
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If you are not happy with what you have got now, what makes you think that you will be happier with ______
A. anything
B. some
C. more
D. less
The government has provided the capital library with heavy ______ to keep it one of the largest in the world.
A. subscriptions B. tips C. subsidies D. bonuses
Mary was a late ______ and hated getting up before noon.
A. sleep
B. sleeping
C. sleeper
D. sleepy
"______you a chair" "Yes, please."
A. Will I get
B. Am I going to get C. Shall I get
C. Am I getting