题目

—Do you mind alone at home?—No,but I want a good book .A. leaving;to read B. to be left;readingC. to leave;reading D. being left;to read 答案：【答案】D【解析】考查非谓语动词。mind doing sth介意做某事，句意：介意被独自留在家；want a good book to read需要一本好书读，故选D。 一个质量是0.05kg的鸡蛋悬浮在盐水中不动时，它受到的浮力是____N，要使鸡蛋漂浮应该往盐水中加_____(选填“盐”或“水”)。 (取g=10 N/kg)