As a result of destroying the forests, large ____ of desert ____ covered the land. A. number; has B. quantities; has C. number; have D. quantities; have 答案:D 解析: 略
给下面加粗字选择正确读音,用“√”标出。
鱼鳍(pí qí)立即(jí jì)
潜入(qiǎn qián)比较(jiǎo jiào)
哺乳动物(pǔ bǔ)陆地(lù lǜ)