It is the protection for the trees___________ really matters, rather than how many trees are planted. A.what B.that C.不填 D.which 答案:B 解析: 本题是对强调的用法考查。the protection for the trees是原句的主语,考生一定要仔细区分强调句 和定语从句的不同。如图,E为平行四边形ABCD的边BC延长线上一点,连接AE,交边CD于点F.在不添加辅助线的情况下,请写出图中一对相似三角形: .