【答案解析】[听力原文] Shopping online is a convenience that many people now feel they couldn't do without, but when it comes to purchasing medications on the Web, doctors are warning buyers to beware.
【答案解析】[听力原文] If it tastes good it must be bad, so the saying goes, but delicious dark chocolate may be the exception to the rule. It may help lower blood pressure by an average of 10 percent.
【答案解析】[听力原文] World economy is getting increasingly integrated, and this has very serious implications, socially and politically. We also have a cultural phenomenon. the emergence of a global culture, or of cultural globalization.
【答案解析】[听力原文] Work is viewed as one of the central meanings of life, but at the same time, it now takes so much of many adults' lives that there is little room for anything else.
【答案解析】[听力原文] Married persons spend more time doing household activities than unmarried persons, two hours versus one and a half hours per day. Women, regardless of marital status, spend more time doing these activities than men.