砺剑·2023相约高考 新高三培优卷(三)3物理试题答案

砺剑·2023相约高考 新高三培优卷(三)3物理试题答案，目前我们已经整理了砺剑·2023相约高考 新高三培优卷(三)3物理试题答案的各科答案和试卷，更多试卷答案请关注本答案网。

【答案】(1)方向：西北流向东南。(1分)理由：河谷地形等高线凸向高处，据此判断河流由乙处流向甲处；根据指向标确定乙地位于甲地西北方向，可判断河流的流向为西北流向东南。（每点2分，共4分）(2)绘图如下所示：（作图说明：曲线起，点位于2850~2900米之间；终点水位范围位于2900~2950米之间；曲线特征先陡后缓)(2分)水位/米30002950290028502800时间时原因：堰塞体堵塞河道，在堰塞体溃决前，水位持续上涨；乙处位于峡谷，流量稳定的情况下，前期河道较窄，水位上升快；后期河道变宽，水位上升较慢。（每，点2分，共6分）

第二节（共5小题：每小题2分，满分10分）根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。How to stay focused in classBeing relaxed during class is a bad habit,and it is also bad for your grade.Focusing in class not only provesto teachers that you are a capable student but also shows that you have the ability to control yourself,which willbe very important.16 No matter how much you want to sit with your friends during class,try your best to avoid them.Talking with friends around you is not going to give you the focus in class.This will get you into trouble.Look at the teacher and make eye contact.Your teacher is not just standing up there talking.17 Showthe teacher that he or she has your full attention by looking them in the eye.This person should have your fullattention at all times during class.Take notes.By taking notes,you'll be able to "get into"the lesson.Write down key points as your teacherspeaks.And listen to the key phrases such as“This is important'”“This is the main idea'”“This will be the test'”,etc.18Get involved in class discussions.This is a wonderful way to become a more focused,successful student.Whena teacher asks a question,offer to answer it.19 This shows the teacher that you are listening carefully duringclass.Ask a question.20 This really shows your teacher that you want to be better,and can recognize thethings you are having difficulty with.Chances are that someone else in the class has the same question(and wastoo afraid to ask!).They'll be relieved,and so will you.A.Avoid sitting with friends.B.This can help you listen more attentively.C.If he or she asks for an opinion,share your own.D.Talking with friends makes you lose interest in class.E.He or she is trying to give you an acceptable education.F.The more quickly you answer,the more attention you pay.G.If you don't understand something,never be afraid to ask.【语篇导读】本文是一篇说明文。文章列举了几条在课堂上保持注意力集中的建议。16,A设空处为本段的主题句。根据下文可知，本段主要讲课堂上尽量不要与朋友坐在一起，因为与周围的朋友交谈会分散注意力。A选项Avoid sitting with friends.(避免和朋友坐在一起)符合题意。l7.E根据上文Your teacher is not..,talking.可知，E项符合语境，顺接上文，进一步说明课堂上老师不仅仅是在讲话，他们其实是在努力让自己的课程得到学生的接受。l8.B根据本段主题句可知，本段话题为“做笔记”，再根据设空处上文And listen to the key phrases可知，B项符合语境，总结上文说明这样做的好处，即有利于更专心地听讲。19C本段主题是要加入课堂讨论，即当老师提出问题时，要主动回答。如果老师想知道大家的观，点，要敢于分享自己的想法。C项承接上文，符合语境。20G本段主要讲在课堂上要敢于问问题，选项G“如果你不懂什么，不要害怕问”承上启下，符合语境。