题目

You don’t look so _______ as usual. Why not go to see a doctor?    A. well                    B. better                        C. badly                        D. worse 答案：A  not so...as...中so后用形容词或副词原级，而badly与句意不符。18．如图，AC是平行四边形ABCD的对角线，DE与AB的延长线交于点E，与BC交于点F，与AC交于点G，则图中有相似三角形（　　）A．3对B．4对C．5对D．6对