在开关型电源中，功率因数校正的基本方法有（）功率因数校正和（）功率因数校正等两种。

Have Fun & Learn in Little Sun

We pick your children at school and give them a safe place to play, do homework and learn afternoon. Experienced Teachers/Lunch&Snacks/Toys&Books Ages: 6 to 12 Programs: * Languages  * Math * Art        * Music Time: 11:00-7:00 pm, from Monday to Friday Address: 15 Xinhua Road, Moon City (between Xinxin Bookstore and the post office, across from Yucai School)

小题1:Children can’t learn _____ in Little Sun.

A．computer

B．music

C．art

D．languages

小题2:Mrs King can send her daughter Lucy to Little Sun except _____.

A．6:00 pm on Friday	B．7:00 am on Wednesday
C．11:00 am on Tuesday	D．12:00 am on Monday

小题3:Little Sun will be open for _____in a week.

A．4 hours

B．8 hours

C．20 hours

D．40 hours

小题4:Little Sun is  _____

A．across from the post office

B．between Yucan School and the post office

C．on Xinhua Road ,Moon City

D．between Xinhua Bookstore and Yucai School

小题5:Who can have fun and learn in Little Sun?

A．Mike, a schoolboy of 15

B．Mary,a seven-year-old girl

C．Cathy,an expericenced teacher

D．Linda,a retired(退体的) doctor