题目

The program will ________ water ________ people in the western part of China.A.provide … for B.provide … with C.afford … for 答案：【答案】A【解析】句意：该项目将为中国西部地区的人们提供水。考查动词短语，provide sth for sb 或provide sb with sth都表示“为某人准备某物”，afford v.付得起，结合句意，故选A。计算sin43°cos13°-cos43°sin13°的值为 ．