1、Period 3: Language Points学习目标：1. 掌握文章中包含的重要语言点2. 掌握相关新词汇，学会小数和分数的表达方法3. 培养科学的精神和创新的能力学习重点：掌握文章中包含的重要语言点学习难点：掌握相关新词汇，学会小数和分数的表达方法课前预习使用说明与学法指导：1. 在语境中掌握重点单词、短语和句型的用法2. 15 分钟之内完成教材助读：话题“提分”句型Recently there is a heated/fierce debate in our class on whether middle school students should take on parttime
2、 jobs on their weekends.最近，我们班就中学生是否应该在周末做兼职展开了热烈的争论。We cannot ignore the fact that many people still dont have enough to eat.许多人仍然吃不饱饭，这是我们不能忽视的事实。No one can deny the fact that the environment is getting polluted more and more seriously.不可否认的事实是，环境污染越来越严重。There is no denying the fact that peoples l
3、iving conditions are being improved on the whole.人民的生活条件总体上在不断提高，这是不可否认的事实。This is a phenomenon that many people are interested in.这是很多人都很感兴趣的一个现象。预习自测：1.最近，我们学校就中学生是否应在周末上课展开了热烈的争论。_2不能忽视的是，带眼镜的中小学生越来越多。_3不可否认的是，人们吃的越来越好，可身体却越来越差。_我的疑问：_课内探究质疑探究：1. It is hard to think of a world without metals. 本句属
4、于“It +is +形容词+不定式。其中 It 是_主语，不定式是_主语。It is easier to say than _说比做容易。It is no good _(play) computer games . It is a shame that _(很遗憾他没有通过考试)It is never too late to study . _(英译汉)2. When we use metals, it is important to know how they react with different substances, for example, water and oxygen. 该句
5、子是_(简单、并列、复合句)。It 是形式主语，真正的主语是_. 其中 How they react 又作 know 的_从句。 （主语从句、宾语从句） ；when 用来引导_ _从句 。for examp le 作为插入语。(for example ,such as )填空.I have travelled many cities_ Bei jing,Shang hai, Guangzhou.Some students, _, John, live in the city.3. Here is a table with the metals that react most at the to
6、p, and the metals that react least at the bottom.1)本句是 here 由引起的_句子，其中，with the m etals 为介词短语作_，修饰 table，句中两个 that 都引导定语从句，分别修饰两个 metals . 2) 句子以 there, here , out , in , up , down , away , now , then 等词开头，并且谓语动词为 be, go ,come 等时，要用全部倒装，起强调作用。 例如： Here is the key to your room . There comes a ray of
7、light from outside . Now comes your turn . Out went the children . 如果主语是人称代词时，则谓语不用倒装。例如：Away they went ./Here you are . /Here it is. 4. The closer you are，the more youll see.你越近，看到的就越多。本句为“the比较级，the比较级”的表达方式，这个句型表示在程度上后者随着前者的变化而变化，意为“越就越” 。前面的句子用一般现在时，后面的句子用一般将来时或一般现在时；或者前后的句子都用一般过去时。The_more he l
8、ooked at it，the_hungrier he felt and the_more he wanted that apple.他越看那个苹果，就越饿，也越想吃到那个苹果。The_more_careful you are，the_fewer_mistakes youll make.你越细心，犯的错误就会越少。当堂检测：翻译句子1我越考虑这个事，我越不喜欢它。_2你练得越用功，你的进步就越大。_3对我来说学好汉语很容易。_4你来帮助我太好了。_课后反思：_课后训练单项填空1The doctor says_ _may be necessary for me to have an operat
9、ion.Ait Bthat Cwhich Dwhat2_the temperature is，_water turns into steam.AThe high；the fastBHigher；fasterCThe more high；the more fastDThe higher；the faster3Its important for the figures_regularly.(2011北京卷，25)Ato be updated Bto have been updatedCto update Dto have updated4When my husband died five years ago，_was difficult to go from we tome，said Joe Kita to us.(2013淄博模拟)AI Bthat Cit Dwhich5This mobile phone is better than that one in the box，but it costs twice_Aas many Bas much Cso much Dso many
