book3 unit4 language points

Unit4 Astronomy Language points1.be to 的用法1)表示“将”、“计划”、“安排”，意思接近于be going to明天上午我们将要去参加一个非常重要的会议。

_____________________________________ 2)表示“义务”、“应该”，意思接近于should, must, ought to, have to你不应该在这个房间抽烟。

_______________________________________________________3)表示可能性，相当于can, may Not a single sound was to be heard.4)(用于条件从句)如果…想，设想如果我们想准时到达那里，要快一些。

If we ______________________, we’ll have to hurry up.5)表示“命运”，将来必然要发生的事，“注定…”He ______ ______ become a famous athlete after seven years of hard training.6)用于if were to do表虚拟语气If it ___ ___rain tomorrow, the sports meeting would be put off.3.violent-- adv --- n.Students were involved in violent clashes with the police.______Towards evening a violent storm came._________The students were in a violent argument._________________________ (太多暴力) is shown on TV.4.explode –adj --n. The audience ___________ ___________laughter5.in time She will be back in time to prepare dinner. ___________If you keep on studying hard, you’ll succeed in time.___________The audience clapped in time to the music. ______________on time at times at a time at one time1).Don’t worry. I’m sure things will get better___________.A. in timeB. at one timeC. at timesD. at a time2). ___ I used to go mountain-climbing every summer.A. On timeB. At one timeC. In timeD. At the same6.atmosphereMan must stop polluting the earth’s atmosphere.____________We all like the cheerful atmosphere of Christmas.____________7.be fundamental to新鲜的空气是健康的根本。

____________________________________________________ 8. be harmful to do harm to空气污染加剧，而且这会对人们造成危害，例如，它可以引发癌症。

Air pollution will get worse and this will ______________people, for example, it can cause cancer.y -- --- --- 放，产卵lie -- --- --- 躺;位于lie -- --- --- 说谎The naughty boy ___ to me that the hen that ___ there just now had ___ two eggs the day before.A. laid; laid; laidB. laid; lay; lainC. lied; laid; lainD. lied; lay; laid10.exist existing existence exist on exist inA man can not exist ________ air. She exists ____ tea and bread.We know problems still exist____ our education system.He does not believe in the___________of ghosts.Food will not get cheaper under ___________ conditions._______ a certain doubt among the workers as to the necessity of the work.A. It existedB. There existedC. There hadD. It had11.give birth to She gave birth to a second child in January._______The Chinese nation has given birth to many national heroes and revolutionary leaders._________ 12.prevent ..from=________________ =________________ protect …from1). No one can prevent the plans _______ out.A. to be carriedB. from carryingC. not to carryD. from being carried我们应该努力保护我们的环境免遭污染。

We should spare no effort to ___________our environment from _______________.13.in one’s turn in turn take turns to do sth. in return当轮到我时，我激动得说不出话来。

When it is ____ ____ ____,I am too excited to speak. You can’t all do it together, you’ll have to _____ _______.你们得轮流来做。

People try to avoid public transportation delays by using their own cars, and this _____ creates more problems.Tom has agreed to let me use his computer to surf the Internet, and _______ I’m treating him to a good dinner at the newly-built restaurant just around the corner.A.In chargeB. in placeC. in returnD. in turn14.puzzle n.&vt puzzled puzzlingI’m in a puzzle as to what to do next._______The girl looked at me with a _____expression. Maybe that problem was quite __________.Using language1.block out Black clouds blocked out the sun._________block up My nose is blocked up.__________.block off The main roads of the city have been blocked off.__________2.pull Pull down 拆毁(建筑物) pull off 脱(帽、衣) pull in 进站，靠边停车pull up 停下pull out 驶出，拉出，拔出Pull through 康复1).They are ______ _______ those houses to make room for a new hotel.2).We waved as the train _____ ______ of the station.3).The police car signalled to us to ____ _____.4).His injuries are extremely serious, but he is expected to _____ ________.3.cheer up 他带她去听音乐会来使她高兴。

He took her ____________ to ____________.4.now that 既然每个人都到了，我们就可以开始会议。

____________________________________, we can begin the meeting.5.get the hang of 我一直想知道这部新的打字机的用法。

_______________________________________________________ this new typewriter.6.break out break down break up break through break in1)The secretary ________ _______ to say the guests had arrived.2)He hopes to ________ _________soon in his experiment.3)The students will _______ _______ next week.4)A serious drought ________ _______in the southeastern countries of Asia.5) I can’t have you _______ _______ in health.7.watch out for watch out watch over1)I am your best friend,and I will always _______ ______ you.2)While crossing the street, please __________________________the coming cars.。