河北省2022-2023学年高二(上)第三次月考(23-170B)历史试卷答案(更新中)

河北省2022-2023学年高二(上)第三次月考(23-170B)历史试卷答案(更新中)，目前大联考答案网已经汇总了河北省2022-2023学年高二(上)第三次月考(23-170B)历史试卷答案(更新中)的各科答案和试卷，更多全国100所名校答案请关注本网站。

【参考范文】NoticeIn order to improve students'spoken English and advocate Chinese culture,an English speechcontest,"Telling Stories of China in English",organized by the English Club of our school will beheld next month.It is said that there will be lots of prizes for the winners,including notebooks,pens anddictionaries.If you are interested in the activity,please come to the English Club to sign up beforenext month.You have to fill in a form and write down your name and the topic of your speech.It is a good opportunity to show your talent and you will learn a lot from your competitors.Sodon't be hesitant.The English Club

4.B【解析】在证明的过程中使用了平方差公式以及同角三角函数的基本关系，符合综合法的定义，故证明过程使用了综合法.故选B.