教 学 意 图 教 师 活 动 学 生 活 动 媒 体 使 用 1.由谈论天气引入主题:预测未来事件或情况. 2.复习学过的有关预测的词汇.句型.语法等.为后面的学生活动打好基础. 3. 通过小组活动.复现学生所学英语语言知识.激发学生的想象与创新意识.凸显学生实践操作能力.同时又加强了同学之间的合作.交际能力.增进了同学之间的情谊. 4. 通过小组汇报的形式展示各自成果.促进学生之间英语知识的互相补充.借鉴,有利于培养学生表述.评价能力.更能使学生从中感受到成功的喜悦. 1.What’s the weather like today? And tomorrow? What about next week? 2.What have we learned about in this unit? 3. Now I have a question: If you can make predictions for the future, which one would like to choose? Would you work in groups and then show us your predictions? Now let’s start- 4. Let the students show their works and ask the reasons, the advantages and disadvantages, etc. - Teacher can give a brief statement about their shows. Ask the students to write a short passage about the prediction they like better and the reasons. Brief summary of this class. It’s - It will be- We have learned - The groups start to search, collect and design the predictions or inventions they choose. During the period, the members exchange their ideas, correct the mistakes and integrate their achievements. Ss show their works, and others can ask them questions about their works. Ss work in pairs or groups and then show their ideas and reasons one by one. 闪现相关的图片及文字.让学生观察并猜测.加深印象.为下面的活动打下基础. 以计算机及网络为依托.各小组进行搜索.整理相关材料的图片.制作流程设计.编辑文字说明等. 凭借计算机以及网络优势.集中展示学生的成果,资源共享且优势互补.更使得交流活动显得生动直观且动感十足. 查看更多

 

题目列表(包括答案和解析)

明同学利用A、B两物体、砝码、泡沫等器材探究“压力的作用效果与什么因素有关”的实验.如图

(1)实验中,小明是通过观察   ▲   来比较压力作用效果的.
(2)比较甲、乙两图所示实验,能够得到的结论是:       ▲     
(3)若要探究“压力的作用效果与受力面积大小的关系”,应通过比较图   ▲  
所示实验.
(4)小华同学实验时将物体B沿竖直方向切成大小不同的两块,如图丁所示.他发现
它们对泡沫的压力作用效果相同,由此他得出的结论是:压力作用效果与受力面积无关.你认为他在探究过程中存在的问题是:          ▲            .

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如图甲表示某生物膜结构,图中A、B、C、D、E、F表示某些物质,a、b、c、d表示物质跨膜运输方式。图乙和图丙表示物质运输曲线,请据图回答:


(1)若图甲是癌细胞的细胞膜,则膜上含量较正常细胞减少的物质是[  ]    
(2)若图甲是线粒体膜,b和c过程运输的气体分别是    。b、c运输方式符合图    所表示的物质运输曲线。
(3)若图甲表示人体红细胞膜,则表示Na、K运输的分别是图中      。Na、K的运输方式符合图    所示曲线。
(4)已知红细胞吸收葡萄糖是协助扩散,而有人认为小肠上皮细胞以主动运输的方式吸收葡萄糖,请设计实验加以确定。
①实验步骤:
第一步:取甲、乙两组生理状况相同的小肠上皮细胞,放入适宜浓度的含有葡萄糖的培养液中。
第二步:甲组细胞给予正常的呼吸条件,         
第三步:                
②预测实验结果并分析:
a.若甲、乙两组细胞对葡萄糖的吸收速率基本相同,则         
b.                                

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按下列各小题括号内的要求改写句子,每空限填一词。
1. Meimei has to look after her little brother at weekends. (改为一般疑问句)    
    ________ Meimei ________ to look after her little brother at weekends?   
2. Both he and his deskmate have passed the exam. (改为否定句)   
    ________ he nor his deskmate ________ passed the exam.   
3. Let us stop and have a rest, ________?(完成反意疑问句)   
4. We have fine weather today. (改为感叹句)   
    ________ ________ weather we have today!   
5. They are asked to write a diary in English every other day. (就划线部分提问)  
 ________ ________ are they asked to write a diary in English?  
6. Didn't they tell you about it? (改为被动语态)  
 ________ you ________ about it?  
7. Will the 29th Olympic Games be held in Beijing? Could you tell me? (合并成含有宾语从句的复合句)   
    Could you tell me ________ the 29th Olympic Games ________ be held in Beijing?

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书面表达
古城扬州吸引了越来越多的国内外游客,假设你是小明,今天你带领北京老师们进行了扬州一日游。请根据下列表格内容,以“A day trip to Yangzhou”为题,写一篇100词左右的英语短文。

时间
地   点
活   动
上午
瘦西湖   the Slender West Lake
欣赏美景、划船、拍照;玩得很开心
中午
富春茶社 Fuchun Tea House
品尝当地传统食品;最喜欢小吃(snack)
下午
大明寺Daming Temple
了解历史
晚上
双东街区the Traditional Double-dong Blocks
购物,为朋友买纪念品;
感受
至少两点
 

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—To make our city more beautiful, rubbish         into the river.

   —I agree.

A. needn’t be thrown B. mustn’t be thrown C. can’t throw D. may not throw

 

 

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