学生能够积极参与课堂活动，合作意识较强。
教学时间：45分钟。 教学设计需包括： ? 教学目标；
? 教学步骤及设计意图；
? 教学活动方式、具体内容及设计意图； ? 教学时间规划； ? 学习评价。
语言素材：（加粗单词为学生首次接触的词汇）
The Road to Modern English At the end of the 16th century, above five to seven million people spoke English. Nearly all of them lived in England. Later in the next century, people from England made voyages to conquer other parts of the world and because of that, English began to be spoken in many other countries. Today, more people speak English as their first, second or a foreign language than ever before. Native English speakers can understand each other even if they don’t speak the same kind of English. Look at this example: British Betty: Would you like to see my flat? American Amy: Yes, I’d like to come up to your apartment. So why has English changed over time? Actually all languages change and develop when cultures meet and communicate with each
other. At first, the English language spoken in England between about AD 450 and 1150 was very different from the English spoken today. It was based more on German than the English we speak at present. Then gradually between about AD 800 and 1150, English became less like German because those who ruled England spoke first Danish and later French. These new settlers enriched the English language and especially its vocabulary. So by the 1600s Shakespeare was able to make use of a wider vocabulary than ever before. In 1620 some British settlers moved to America. Later in the 18th century some British people were taken to Australia too. English began to speak in both countries. Finally by the 19th century the language was settled. At that time two big changes in English spelling happened: first Samuel Johnson wrote his dictionary and later Noah Webster wrote The American Dictionary of English Language. The latter gave a separate identity to American English Spelling. English now is also spoken as a foreign or second language in South Asia. For example, India has a very large number of fluent English speakers because Britain ruled India from 1765 to 1947. During that time English became the language for government and education. English is also spoken in Singapore and Malaysia and countries in Africa such as South Africa. Today
the number of people learning English in China is increasing rapidly. In fact, China may have the largest number of English learners. Will Chinese English develop its own identity? Only time will tell.
IV．教学实施与评价
教学情景分析题：根据题目要求进行教学分析，本题用中文作答。 以下片段选自某课堂实录（片段中T指教师，S指学生）。请分析该教学片段并回答下列问题：
（1）学生在对话中的语言错误是什么？
（2）教师采用什么方式来纠正学生的错误？效果如何？ （3）教师还可以采用哪些方式纠错？请举例说明。 教学片段：
T: What did your mum do yesterday, Wang Lin? S: My mum buyed the dress for me. T: Oh, that is nice, your mum bought it for you, did she? S: Yes. T: Where did she buy it? S: She buyed it in town. T: Oh, she bought it in town for you. Well, it is very nice. 知识点：圆的基本性质．半圆或直径所对的圆周角是直角．任意一个三角形一定有一个外接圆．在同一平面内，到定点的距离等于定长的点的轨迹，是以定点为圆心，定长为半径的圆．在同圆或等圆中，相等的圆心角所对的弧相等．同弧所对的圆周角等于圆心角的一半
．同圆或等圆的半径相等．过三个点一定可以作一个圆．长度相等的两条弧是等弧．在同圆或等圆中，相等的圆心角所对的弧相等10．经过圆心平分弦的直径垂直于弦。知识点：直线与圆的位置关系．直线与圆有唯一公共点时叫做直线与圆相切．三角形的外接圆的圆心叫做三角形的外心．弦切角等于所夹的弧所对的圆心角．三角形的内切圆的圆心叫做三角形的内心．垂直于半径的直线必为圆的切线．过半径的外端点并且垂直于半径的直线是圆的切线．垂直于半径的直线是圆的切线．圆的切线垂直于过切点的半径. A.有两个相等的实数根B. 有两个不相等的实数根C.只有一个实数根D.没有实数根．不解方程判别方程+4x+2=0的根的情况是A.有两个相等的实数根B.有两个不相等的实数根C.只有一个实数根D.没有实数根A.有两个相等的实数根B. 有两个不相等的实数根C.只有一个实数根D. 没有实数根为变程方原是于知识点：圆与圆的位置关系．两个圆有且只有一个公共点时叫做这两个圆外切．相交两圆的连心线垂直平分公共弦．两个圆有两个公共点时叫做这两个圆相交．两个圆内切时这两个圆的公切线只有一条．相切两圆的连心线必过切点知识点10：正多边形基本性质．正六边形的中心角为60°．矩形是正多边形．正多边形都是轴对称图形．正多边形都是中心对称图形A．x=2 ．x=-2 ．x1=2,x2=-2 D．x=4．方程-1=0的两根为A．x=1 ．x=-1 ．x1=1,x2=-1 D．x=2 ．方程（x-3）（x+4）=0的两根为A.x1=-3,x2=4 B.x1=-3,x2=-4 C.x1=3,x2=4 D.x1=3,x2=-．方程x(x-2)=0的两根为A．x1=0,x2=2 ．x1=1,x2=2 ．x1=0,x2=-2 D．x1=1,x2=-2．方程-9=0的两根为A.有两个相等的实数根B.有两个不相等的实数根C.只有一个实数根D.没有实数根．不解方程判别方程3x-5x+3=0的根的情况是A.有两个相等的实数根B. 有两个不相等的实数根C.只有一个实数根D. 没有实数根．不解方程判别方程3x+4x+2=0的根的情况是
A.有两个相等的实数根B. 有两个不相等的实数根C.只有一个实数根D. 没有实数根．不解方程判别方程4x+4x-1=0的根的情况是A.有两个相等的实数根B.有两个不相等的实数根C.只有一个实数根D.没有实数根．不解方程判别方程5x-7x+5=0的根的情况是A.有两个相等的实数根B.有两个不相等的实数根C.只有一个实数根D.没有实数根．不解方程判别方程5x+7x=-5的根的情况是A.有两个相等的实数根B.有两个不相等的实数根C.只有一个实数根D. 没有实数根A.有两个相等的实数根B. 有两个不相等的实数根C.只有一个实数根D. 没有实数根为变程方原是于知识点：圆与圆的位置关系．两个圆有且只有一个公共点时叫做这两个圆外切．相交两圆的连心线垂直平分公共弦．两个圆有两个公共点时叫做这两个圆相交．两个圆内切时这两个圆的公切线只有一条．相切两圆的连心线必过切点知识点10：正多边形基本性质．正六边形的中心角为60°C.只有一个实数根D.没有实数根．不解方程判别方程+4x+2=0的根的情况是A.有两个相等的实数根B.有两个不相等的实数根为变程方原是于C.只有一个实数根D.没有实数根A.有两个相等的实数根B. 有两个不相等的实数根C.只有一个实数根D. 没有实数根10. 为变原是于令时程方解法元换用
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