Unit 1 第2课时 Learning About Language（Word）-【全效作业本】2022-2023学年高中选择性必修第一册英语同步课件及教参（人教版2019）

第2课时　Learning About Language [见学生用书P4] Ⅰ.语境检测 1．Any s__ubstance__ is made of atom，whether it is solid，liquid or gas. 2．The __boiling__ water is too hot.Please pour it into the glass so that the children can drink the __boiled__water when they come back.(boil) 3．It struck me that there used to be a teacher of __botanical__(botany)science，who introduced me to my passion for flowers and plants. 4．To protect the rare birds better，scientists __have__been__charting__(chart)the changes in their number in the past decade. 5．Over the years I've come to the __conclusion__(conclude)that she's a very great musician. 6．I didn't want to cry，but the tears f__lowed__ from my eyes. 7．Fortunately all the people had f__led__ from the building before the big fire was beyond control. 8．Helen is a very well­known __novelist__(novel)in Australia. 9．Therefore, in no __circumstances__(circumstance)can we give up our dream. 10．He has committed himself __to__ the cause of education. 11．The sofa has wear __and__ tear and needs to be replaced. 12．The party has been __in__ power since independence in 1964. 13．The new railway is __under__ construction. Ⅱ.语法突破——非限制性定语从句 非限制性定语从句对先行词起补充说明或描绘作用，如果省略，也不影响主句的意思，它与主句之间用逗号隔开。翻译时一般与主句译成并列形式。 They are coming back to us，which means that they have been refused elsewhere. 他们要回到我们这儿来，这意味着他们在别处遭到了拒绝。 限制性定语从句和非限制性定语从句的区别： 限制性定语从句与先行词的关系较为密切，删除它后会影响整个句子的表达，不用逗号与主句分开，可用关系代词that；非限制性定语从句不可用关系代词that，先行词还可以是整个句子。试比较： His father is not a man who speaks ill of others behind their backs.(限制性定语从句) His father，who never speaks ill of others，is popular with his colleagues.(非限制性定语从句) [即学即练] 1．单句语法填空 (1)__As__ is known to everybody，the moon is smaller than the earth. (2)I didn't become a serious climber until the fifth grade，__when__ I went up to rescue a kite that was stuck in the branches of a tree. (3)He was eager to go to the hospital to see his stepmother，__whom__ he loved and respected as his own mother. (4)He has passed the college entrance examination，__which__ ma