电容的单位是（ ） A．欧姆 B．安培 C．特斯拉 D．法拉

完型填空。
Maria Comez was born in Peru. She grew up in a small village. She     1    when she was six years old.She went to elementary school, but she     2    to high school. Her family was very     3   , and she had to go to work when she was thirteen years old. She     4    in a shoe factory.      When Maria was seventeen years old, her family    5    to the United States. Maria     6    in the United States, she was not happy. She missed her friends in Peru, and she didn't     7    a word of English. She began to study English at night,     8    worked in a factory during the day.      Maria studied very hard, and now she speaks English well. She is still     9    at night, but now she is studying typing. She wants     10   in Peru. Maria still misses her friends in Peru. But she is very happy now, and she hopes she will have a good future in the new country.
( )1. A. went to school ( )2. A. went           ( )3. A. rich          ( )4. A. works         ( )5. A. moved         ( )6. A. reached       ( )7. A. tell           ( )8. A. when          ( )9. A. studying       ( )10. A. to do	B. go to school B. didn't go     B. poor         B. is working   B. go           B. arrivel     B. talk         B. so           B. studied     B. do	C. goes to school   C. began           C. happy           C. is going to work C. stayed           C. got             C. know             C. or               C. study           C. tobe	D. begins school D. wasn't       D. glad         D. worked       D. lived         D. moved         D. say           D. and           D. studies       D. be

对下列公式理解不正确的是（　　）

A．由公式B=

F

IL

知，磁感应强度B与F成正比，与IL的乘积成反比

B．由公式E=

F

q

知，场强E的大小与试探电荷的电量q无关

C．由公式I=

U

R

知，电流强度I与导体两端电压U成正比，与导体电阻R成反比

D．由公式P=

W

t知，机车的功率与所做功W成正比

土地利用总体规划实行（）审批。

A.分级

B.分部

C.分省

D.分项

大多数微小企业常见的几种融资途径？

VB中有两种类型字符串：变长字符串和定长字符串。以下是变长字符串的正确定义格式是（）

A.dim a ass tring*2

B.dim b as string

C.b ass tring

D.dim b