“化学与生活”课程模块的教学应重视学生的积极参与,使学生通过查阅资料以及( )等活动,切实感受化学对人类生活的影响,形成正确的价值观。A调查访问B实验探究C参

“化学与生活”课程模块的教学应重视学生的积极参与,使学生通过查阅资料以及(  )等活动,切实感受化学对人类生活的影响,形成正确的价值观。A调查访问B实验探究C参观讨论D以上都对

查看答案

科学探究既是义务教育化学课程的重要内容,又是一种有效的学习方式。下列关于科学探究的理解正确的是( )。A科学探究中各要素的呈现顺序是固定不变的B科学探究必须通过

科学探究既是义务教育化学课程的重要内容,又是一种有效的学习方式。下列关于科学探究的理解正确的是( )。A科学探究中各要素的呈现顺序是固定不变的B科学探究必须通过化学实验来获取事实和证据C对科学探究学习的评价,应该侧重考查学生的探究活动结果D

查看答案

实验室用高锰酸钾加热制取氧气主要有以下步聚:a.加热盛有药品的试管;b.向试管中加入药品;c.检查装置的气密性;d.用排水法收集气体;e.停止加热;f.将导气管

实验室用高锰酸钾加热制取氧气主要有以下步聚:a.加热盛有药品的试管;b.向试管中加入药品;c.检查装置的气密性;d.用排水法收集气体;e.停止加热;f.将导气管从水槽中取出正确的操作顺序是()。AcbadefBdacfbeCbadcfeDc

查看答案

下列实验操作中,错误的()。A蒸发操作时,不能使混合物中的水分完全蒸干后,才停止加热B蒸馏操作时,应使温度计水银球靠近蒸馏烧瓶的支管口处C分液操作时,分液漏斗中

下列实验操作中,错误的()。A蒸发操作时,不能使混合物中的水分完全蒸干后,才停止加热B蒸馏操作时,应使温度计水银球靠近蒸馏烧瓶的支管口处C分液操作时,分液漏斗中下层液体从下口放出,上层液体从上口倒出D萃取操作时,应选择有机萃取剂,且萃取剂的

查看答案

下列一组反应的反应类型相同的是A由溴乙烷制乙醇;由乙烯与水反应制乙醇 B乙烯使溴的四氯化碳褪色,甲苯使KMnO4酸性溶液褪色 C苯与浓硝酸、浓硫酸混合共热制

下列一组反应的反应类型相同的是A由溴乙烷制乙醇;由乙烯与水反应制乙醇   B乙烯使溴的四氯化碳褪色,甲苯使KMnO4酸性溶液褪色 C苯与浓硝酸、浓硫酸混合共热制取硝基苯;苯与液溴在催化剂存在下制取溴苯   D1-氯丙烷与NaOH的乙醇溶液加

查看答案

下列有关乙炔的说法不正确的是( )A燃烧时有浓厚的黑烟B实验室制乙炔时可用CuSO4除杂质气体C为了减缓电石和水的反应速率,可用饱和食盐水来代替D乙炔的收集方法

下列有关乙炔的说法不正确的是( )A燃烧时有浓厚的黑烟B实验室制乙炔时可用CuSO4除杂质气体C为了减缓电石和水的反应速率,可用饱和食盐水来代替D乙炔的收集方法可用排空气法收集

查看答案

TheLend

TheLend-LeaseActwasdesignedto _____.AhelptheBritish.BstrengthenthenationaldefenseoftheUnitedStates.CpromotetheAtlanticCh

查看答案

Conventionally a __________ is put in slashes (/ /).AallophoneBphoneCphonemeDmor

Conventionally a __________ is put in slashes (/ /).AallophoneBphoneCphonemeDmorpheme

查看答案

Of the following sound combinations, only _______ is permissible according to th

Of the following sound combinations, only _______ is permissible according to the sequential rules in English.AkilbBbkil

查看答案

When a speaker expresses his intention of speaking, such as, asking someone to o

When a speaker expresses his intention of speaking, such as, asking someone to open thewindow, he is performing ______.A

查看答案

Which of the following is true of formative assessment?AMainly based on testing.

Which of the following is true of formative assessment?AMainly based on testing.BDone mostly at the end of a learning pe

查看答案

Students can do ________activities, such as, silent reading, doing written exerc

Students can do ________activities, such as, silent reading, doing written exercises, writing something down individuall

查看答案

When a student has made a sentence “I borrowed a paper from Miss Li”, the teache

When a student has made a sentence “I borrowed a paper from Miss Li”, the teacher says “Do you mean a piece of paper?” H

查看答案

课堂教学中听力活动的组织应该注意什么?(15分)

课堂教学中听力活动的组织应该注意什么?(15分)

查看答案

Whatshouldtheteachertrytoavoidwhenselectinglisteningactivities?AThelisteningacti

Whatshouldtheteachertrytoavoidwhenselectinglisteningactivities?AThelisteningactivitymusthaveareal, communicativepurpose.

查看答案

Whichofthefollowingwritingactivitiesreflectprocess

Whichofthefollowingwritingactivitiesreflectprocess-orientation?AAskingthestudentstowriteanessayparalleltothetexttheyhave

查看答案

Whatpurposedoespost

Whatpurposedoespost-listeningactivitiesNOTserve?AHelpingstudentsrelatethetextwiththeirpersonalexperience.BOfferingstuden

查看答案

常见的语法教学方法有哪些?(10分)

常见的语法教学方法有哪些?(10分)

查看答案

The _____ approach to writing teaching pays attention to not only what to write,

The _____ approach to writing teaching pays attention to not only what to write, but also how to write.Aproduct-oriented

查看答案