C.TheyhaveloweredtheirCOlevelsinfortycities.

D.Theyhavereducedpollutionthrougheffectivemeasures.

8.Whatisespeciallyimportantforenvironmentalprotectionaccordingtothelastparagraph?

A.Education

B.Planning

C.Greenliving

D.COreduction

C

Oneofthelatesttrend（趋势）inAmericanChildcareisChineseaupairs.AuPairinStamford,forexample,hasgotincreasingnumbersofrequestforChineseaupairsfromaerotoaround4,000since2004.Andthat’strueallacrossthecountry.

“IthoughtitwouldbeusefulforhimtolearnChineseatanearlyage”JosephStocke,themanagingdirectorofscompany,saysofhis2-yearoldson.“I