A:cat
B:bear
C:dog
计算: (3+2)3×(3-2)3=____ .
一艘科学考察船计划9月份从A点(20°N、20°E)出发,到达与A点纬度相同,经线正好相对的B点进行科学考察,则B点的经度是( )
—Were you at home yesterday?
—No, I________. I was ________ school.