Unit 4 Body language Using language课时作业

　　一、全练语言点，基稳才能楼高

　　Ⅰ.单词拼写

　　1．What puzzled (迷惑) me was why they didn't take his advice.

　　2．It is impossible to prove the existence (存在) of God.

　　3．I felt my heart beating violently (猛烈地)．

　　4．As is known, lack of sleep does great harm (伤害) to us students.

　　5．Three multiplied (乘) by six is eighteen.

　　6．He chained (拴) the dog for the night.

　　7．The shortage of water has become a global (全球的) problem.

　　8．There're many theories (理论) about the origin of life.

　　Ⅱ.单句语法填空

　　1．It is uncertain whether he'll succeed in passing the driving test or not.

　　2．His decision made it possible for us to finish the work by four o'clock this afternoon.

　　3．Each of us in turn had to describe how alcohol had affected our lives.

　　4．The situation in that country should be_prevented (prevent) from becoming worse.

　　5．You needn't worry because this snake is harmless (harm)．

　　6．My relationship with the actors is fundamental to my work as a director.

　　7．If you give up this chance, you'll regret it in time.

　　8．Look at the pictures and take turns to_tell (tell) the story.

　　Ⅲ.选词填空

do great harm to， give birth to， in time， puzzle about， protect ...from ...， lay eggs， prevent ...from ...， in one's turn

　　1．As we know, laying_eggs is the ant queen's full­time job.

　　2．The other day my pet cat gave_birth_to a new little cat.

　　3．These factories have done_great_harm_to the environment.

　　4．Some measures have been taken in_time to protect the environment.

　　5．The new measures are designed to protect the public from people like these.

　　6．We were prevented_from attending Professor Li's lecture by the heavy rain.

　　7．I have been puzzling__about this question for weeks.

　　8．All the five daughters, in_their_turn,_took care of the sick father in hospital.

　　Ⅳ.课文语法填空

The earth was just a cloud of dust after the "Big Bang"．The earth 1.exploded (explode) loudly with fire and rock.They were in time 2.to_produce (produce) many things, which were to