在int b[][3]=1，3,2；4，5，6，0；中b[2][2]的值是( )。
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What was the first thing which was done by Henry before he went to work
A. Cut grass in the backyard.
B. Leave a note for the milkman asking for just one quart of milk.
C. Put the garbage in the backyard.
How many things did Henry do when his wife leaving away
A. Three things.
B. Five things.
C. Six things.
An explanation of an earthquake is a description of the chain of ______ that produces it.
A. causality
B. margin
C. persistence
D. purpose
地高辛中的特殊杂质是
A. 炽灼残渣
B. 亚硫酸钠
C. 钙盐
D. 洋地黄毒苷
E. 洋地黄皂苷
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