某些分子的微观示意图如下：一定条件下，3.4g甲物质和4.8g氧气恰好完全反应，生成5.4g乙物质和另一物质X。下列判断不正确的是（ ）。A物质甲的化学式是NH3B物质X的质量为2.8gC物质X含两种元素D该反应的化学方程式中物质X与O2的
某研究性学习小组为了评价当地雨水的酸度（酸性强弱），选用下列检测试剂，正确的是（）。ApH值试纸B酚酞试液C淀粉碘化钾试纸D红色石蕊
某研究性学习小组为了评价当地雨水的酸度（酸性强弱），选用下列检测试剂，正确的是（）。ApH值试纸B酚酞试液C淀粉碘化钾试纸D红色石蕊
下列分散系能产生“丁达尔效应”的是（）。A稀硫酸B硫酸铜溶液C氢氧化铁胶体D酒精溶液
下列分散系能产生“丁达尔效应”的是（）。A稀硫酸B硫酸铜溶液C氢氧化铁胶体D酒精溶液
下列能量转化过程与氧化还原反应无关的是（）。A硅太阳能电池工作时，光能转化成电能B锂离子电池放电时，化学能转化成电能C电解质溶液导电时，电能转化成化学能D葡萄糖
下列能量转化过程与氧化还原反应无关的是（）。A硅太阳能电池工作时，光能转化成电能B锂离子电池放电时，化学能转化成电能C电解质溶液导电时，电能转化成化学能D葡萄糖为人类生命活动提供能量时，化学能转化成热能
——What should we pay more attention to if we go camping in the mountains?——Nothi
——What should we pay more attention to if we go camping in the mountains?——Nothing special. Take a special pair of glass
If you are entitled to sickness______, you must claim it from your employer.Abud
If you are entitled to sickness______, you must claim it from your employer.AbudgetBallowanceCwageDincome
We feel it is high time that the Government ______ something to check the inflat
We feel it is high time that the Government ______ something to check the inflation.AdidBdoCwill doDwould do
Hurricanes are severe cyclones with winds over seventy five miles an hour ______
Hurricanes are severe cyclones with winds over seventy five miles an hour ______ originate over tropical ocean waters.Aw
If the right kind of extracurricular activities is organized, those children who
If the right kind of extracurricular activities is organized, those children who have a(an)____of energy will have a cha
According to the passage, the oil industry might lead northern Norway to ____.At
According to the passage, the oil industry might lead northern Norway to ____.Athe development of industry.Ba growth in
The Norwegian Government has tried to ______.Aencourage the oil companies to dis
The Norwegian Government has tried to ______.Aencourage the oil companies to discover new oil sources.Bprevent oil compa
The passage is ______.Aa review.Ba preface.Can advertisement Dan editorial.
The passage is ______.Aa review.Ba preface.Can advertisement Dan editorial.
Learning portfolio is an important means of__________.Asummative assessmentBform
Learning portfolio is an important means of__________.Asummative assessmentBformative assessmentCdiagnostic assessmentDw
Which one of the following methods is not formative evaluation?Aquestionnaire su
Which one of the following methods is not formative evaluation?Aquestionnaire survey Bfinal examinationCportfolioDevalua
教师还可以采用哪些方式纠错?请举例说明。(12分)
教师还可以采用哪些方式纠错?请举例说明。(12分)
自我纠错是语言学习的有效方法之一。课堂教学过程中教师可以通过哪些方式引导学生自我纠错？写出四种方式，并各举一例说明。
自我纠错是语言学习的有效方法之一。课堂教学过程中教师可以通过哪些方式引导学生自我纠错？写出四种方式，并各举一例说明。
教师与学生互动中该关注的主要问题是什么。（10分）
教师与学生互动中该关注的主要问题是什么。（10分）
材料全屏下面是某教师的课堂教学片段：T: Look at the sentences and fill in the blanks with “that” an
材料全屏下面是某教师的课堂教学片段：T: Look at the sentences and fill in the blanks with “that” and “what”.(1) She is no longer __________
简述备课的原则。
简述备课的原则。
Whichofthefollowingactivitiescanbeadoptedatthepre
Whichofthefollowingactivitiescanbeadoptedatthepre-readingstage?ARearrangingthematerials.BBrainstormingthetopic.CWritinga
