问题
填空题
函数y=ln
|
答案
由题意可得函数y=ln
-x
的零点2013 2
即是方程ln
-x
=0的根，2013 2
而方程ln
-x
=0可化为ln2013 2
=x
，2013 2
即
lnx=1 2
，故x=e2013，2013 2
故答案为：e2013
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函数y=ln
|
由题意可得函数y=ln
-x
的零点2013 2
即是方程ln
-x
=0的根，2013 2
而方程ln
-x
=0可化为ln2013 2
=x
，2013 2
即
lnx=1 2
，故x=e2013，2013 2
故答案为：e2013
| 阅读理解。 | |||||||||||||||||||||
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| 1. We can't find Julia Morley' ________ in the form. | |||||||||||||||||||||
| A. interests B. address C. age D. experience | |||||||||||||||||||||
| 2. Where has Julia ever worked? | |||||||||||||||||||||
| A. In a restaurant. B. In a police station. C. In a post office. D. In a computer company. | |||||||||||||||||||||
| 3. What is Julia interested in? | |||||||||||||||||||||
| A. Traveling and cooking. B. Playing basketball and driving. C. Reading and writing. D. Playing football and traveling. | |||||||||||||||||||||
| 4. According to the form, how many foreign languages does Julia know? | |||||||||||||||||||||
| A. Two B. Six C. Five D. Four | |||||||||||||||||||||
| 5. Which of the following is true? | |||||||||||||||||||||
| A. Julia's phone number is(632)5550212. B. Julia doesn't like helping others. C. Julia spends two years learning Japanese. D. Julia has ever worked in a restaurant. |