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问题
单项选择题
汗液中水分含量可达（）。
A.99%
B.95%
C.90%
D.85%
答案
参考答案：
A
填空题
函数
f(x)=
x
x
2
+1
，则
f(2)
f(
1
2
)
+
f(3)
f(
1
3
)
+
f(4)
f(
1
4
)
+…+
f(2009)
f(
1
2009
)
=______．
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写作题
根据图表，写句子。
Get up
6: 00 am
Go to school
7: 30 am
Begin class
7: 45 am
Have lunch
12: 00 am
Play games
4: 00 pm
Get home
5: 30 pm
Do homework
8: 00 am
Go to bed
9: 00 pm
_________________________________________________________
_________________________________________________________
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