题目

The seller would sell the jacket for seventy dollars, but the customer__ only half the price.  A. asked       B. charged        C. offered      D. bought.   答案：C某同学用量筒量取液体，视线与量筒内液体的凹液面最低处保持水平，读数为18mL，倒出部分液体后，仰视凹液面最低处，读数为10mL，该同学实际倒出液体的体积为（ ）A．等于8mL B． 大于8mL C．小于8mL D．无法判断