1.Scientists say climate change and human activity have increaingly led to the melting of ( ) pieces of Antarctic ice.

　　A. formidable

　　B. surplus

　　C. quantitative

　　D. massive

　　【答案】D。句意为：科学家们说，气候变化和人类活动越来越导致巨大的南极冰块融化。A.可怕的;B.剩余的;C.数量的;D.巨大的。所以答案选D。

　　2.Experts warn that sharp currency decreases usually hurt consumer ( ) and lead to less spending on goods and services. That causes economic growth to slow.

　　A.satisfaction

　　B.confidence

　　C.commitment

　　D.determination

　　【答案】B。句意为：专家警告说，汇率急剧下跌通常会损害消费者的信心，并导致商品和服务支出减少。这导致经济增长放缓。A.满意;B.信心;C.承诺;D.决心。所以答案选B。