车集矿管理思路：大事认真，小事较真。
参考答案：对
改错。
( ) l. My birthday is on first of April. _____
A B C D
( )2. I'd like to some balloons. _____
( )3. Does Ben and his brother like cartoons? _____
( )4. They are talk about the weather in Nanjing. _____
( )5. What do it mean? _____
如图所示，电源电压恒定，R1为定值电阻，R2为滑动变阻器，闭合开关S后，在滑动变阻器的滑片P由a向b滑动的过程中，电压表V1的示数将______．（选填“变大”、“变小”或“不变”）
