回哪答哪,

来源：学生作业帮助网 编辑：作业帮 时间：2024/11/01 09:26:42

回哪答哪,
回哪答哪,
 

回哪答哪,
23.因为AB//CD,角ABC=60度,据两直线平行同位角相等,所以角ECB=120度,又因为MC平分角ECB,所以角ECM=角MCB=60.因为角MCN=90度,所以角BCN=30,角DCN=180-角ECB-角BCN=30

回哪答哪, 回哪答哪1.Lily never stops talking .改为反义疑问句Lily never stops talking,()()?2.It's bad weather today.改为感叹句()()weather it is today.3.Li Lei speaks English very well 变为感叹句()()Li Lei speaks English!4.There is much rain