题目

下列各项中，属于生物的是 A、鱼化石  B、枯死的树干  C、珍珠  D、蘑菇 答案：D —Does it rain a lot in this area? —_______, it hardly ever rains; the climate is like that of a desert. A．What’s worseB．In other wordsC．On the contrary D．As a result