题目

Everyone knows that fish is good for health.16  But it seems that many people don’t cook fish at home. Americans eat only about fifteen pounds of fish per person per year, but we eat twice as much fish in restaurants as at home. Buying, storing, and cooking fish isn’t difficult.17 This text is about how to buy and cook fish in an easy way. 18 Fresh fish should smell sweet: you should feel that you’re standing at the ocean’s edge. Any fishy or strong smell means the fish isn’t fresh. 19 When you have bought a fish and arrive home, you’d better store the fish in the refrige“南极的冰化了”，这是中央电视台2002年5月22日“东方时空”中一个节目的标题．说的是南极一块叫“拉伸B”冰架发生坍塌，其断裂的面积比上海市还大．这是大自然又一次发出的警告：地球正在变暖！温室效应的影响已经不容忽视．为了控制温室效应，下列可能且有效的措施是A.禁止使用煤和石油等化石燃料B.用石灰水吸收二氧化碳C.限制汽车工业的发展D.更多利用不污染环境的能源