题目

How do you say the number 567,043?A. five hundred sixty-seven thousand forty-threeB. five hundred sixty-seven thousand and forty-threeC. five hundred and sixty-seven thousand forty-threeD. five hundred and sixty-seven thousand and forty-three 答案：【答案】D【解析】试题句意：你怎样读数字567,043。从偶、右边数第一空的逗号应该读thousand；百位数与十位之间有and，故选D。已知，如图，在△ABC中，AD，AE分别是△ABC的高和角平分线，若∠B=30°，∠C=50°，求∠DAE的度数．