题目

WHAT is it that sets Spain apart from the rest of Europe? It might be “siestas”, the three-hour lunch break that is customary (惯例的) in the country.     The Spanish start work at 8 or 9 am, but in the early afternoon they usually take a three-hour break. After lunch, people can be seen napping in cars or on benches. During hot summer afternoons, Spanish village streets are often totally deserted .     When they return to their offices at 4 pm, Spanish workers often have to make up for the lost time by working until 8 or 9 pm. So, while most other Europeans are sound asle2009年12月7日-18日，在丹麦首都哥本哈根召开了世界气候大会，焦点问题主要集中在停止增加温室气体的排放．能产生温室效应的气体主要是（　　） A、一氧化碳B、二氧化碳C、氮气D、氨气