问题
选择题
2007年我省为135万名农村中小学生免费提供教科书，减轻了农民的负担．135万用科学记数法可表示
为（ ）
A．0.315×106
B．1.35×106
C．0.135×107
D．1.35×107
答案
135万=135×104=1.35×106．
故选B．
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2007年我省为135万名农村中小学生免费提供教科书，减轻了农民的负担．135万用科学记数法可表示
为（ ）
A．0.315×106
B．1.35×106
C．0.135×107
D．1.35×107
135万=135×104=1.35×106．
故选B．
| 书面表达。 | ||||||||||||||
请按Tom的作息时间表，在短文中的空格内填上一个适当的词。
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| My name is Tom. I'm an American boy. I study at No. 2 Middle School. On weekdays I 1_____ 2_____ at 6:00 in the morning every day. I 3_____ morning exercises at 4_____ 5_____. I 6_____ 7_____ 8_____six fifty. I 9_____ 10_____ 11_____ at seven 12_____. Classes 13_____ at 14_____. I 15_____ 16_____ at 17_____ 18_____. We 19_____ 20_____ at three fifty 21_____ the afternoon. We 22_____ 23_____ at five 24_____. We 25_____ 26_____ at six. I 27_____ 28_____ 29_____ at seven 30_____ 31_____ the 32_____ I often 33_____ 34_____ at 8:00. I 35_____ 36_____ 37_____ at nine forty. | ||||||||||||||