题目

 When ____ where he was born, Kale said he was a Londoner. A asking      B asked        C being asked         D was asked 答案：B以下对培养基上细菌菌落的描述中，正确的是A.菌落很大，表而光滑粘稠B.菌落较小，表面光滑粘稠或粗糙干燥C.呈绒毛状、絮状或蛛网状D.呈现黑、红、褐、黄等不同的颜色