题目

A deaf-and- dumb(聋哑)man ________ some nails, so he entered a store, put two fingers together on the counter and made hammering movements with the other hand.    A. bought        B. tested           C. found         D. needed 答案：D 解析: 根据下面的句意可知，这个聋哑人是需要一些钉状物，所以选D。23.5＇N 这条纬线又称为( )A.赤道 B.北极圈 C.北回归线 D.本初子午线