题目

 ________ of giant pandas is getting _________ because their living areas are becoming farmland. A. The number, larger and larger       B. A number, larger and larger C. The number, smaller and smaller     D. A number, smaller and smaller 答案：C一根绳子长8米，第一次剪去1.6米，第二次剪去3.4米，这根绳子比原来短了（ ）。A. 6.4米B. 5米C. 3米D. 1.8米