高二英语必修三4.2.ppt

课时作业（十四） 课内研析探究 课前自主预习 栏目导引 必修3 Unit 4　Astronomy：the science of the stars 6．unlike F．forming the necessary basis of sth. 7．multiply G．causing harm or likely to cause harm 8．fundament H．to stay alive，especially in difficult conditions 答案：　1.D　2.G　3.H　4.C　5.A　6.B　7.E　8.F 答案：　1.in time　2.lay eggs　3.give birth to　4.in one’s turn 5．prevent...from　6.be fundamental to　7.as well as 答案：　1.What；is that　2.whether；or　3.expressed in modern English　4.make it possible for us to talk Ⅰ.单句语法填空 1．Measures should be taken to prevent the river from________________(pollute)． 答案：　being polluted 2．Her________look showed that she was________about what he said.(puzzle) 答案：　puzzled；puzzled 3．The manager wants to see changes in the company，and I am sure he will________time. 答案：　in 4．Your smoking can be______________(harm) to the health of your children. 答案：　harmful 5．Mary had not been friendly to Sam and he，________his turn，was cold to her when she came to stay. 答案：　in 6．Some understanding of grammar is fundamental________learning a language. 答案：　to 7．Mrs White gave birth________a healthy baby in her late thirties. 答案：　to 8．Mike can’t exist________the money he’s earning. 答案：　on Ⅱ.完成句子 1．We should help those in trouble.______________，when we become desperate，they will lend us a hand. 我们应该帮助那些不幸的人，反过来，当我们陷入绝境时，他们也会对我们施以援手。 答案：　In turn 2．________________________，who regretted attending the lecture，I was very interested in it. 不像很多同学，他们后悔参加这个讲座，而我对它却很感兴趣。 答案：　Unlike many students 3．More importantly，I found________________to start looking out for my father. 更重要的是，我觉得该是我开始照顾父亲的时候了。 答案：　it was my turn 4．It’s well-known that elephants are the largest animals______________on land. 众所周知，大象是陆地上现存最大的动物。 答案：　in existence Ⅰ.用适当的疑问词填空 1．It remains to be seen________the newly formed committee’s policy can be put into practice. 答案：　whether 2．Everyone in the village is very friendly.It doesn’t matter________you have lived there for a short or a long time. 答案：　whether 3．All people，________they are o