Chủ đề:
Violympic toán 8Câu hỏi:
a,rút gọn M=(\(\frac{x}{x-5}\)-\(\frac{5}{5-x}\)+\(\frac{10x}{x^2-25}\)).(1-\(\frac{5}{x}\))
b,tìm giá trị của x để M là số nguyên
Ex1: (Conditionals,I wish,Past Subjunctive) Finish each of the following sentences in such a way that it means the same as the sentences printed before it
1,The only reason Jimmy often gets bad marks is because he is lazy
If Jimmy...............................................................................
2,We got lost because we didn't have a map
If we.........................................................................
3,We didn't go on holiday because we did not have enough money
If we....................................................................
4,She didn't hurry,so she missed the train
If she.....................................................................................
5,I bought beef because I didn't know she couldn't eat it
If I.......................................................................................
6,Providing that you leave a forwarding address,we will be able to contact you
Unless...............................................................
7,Unless you save some money,you will never be able to buy a car
Provided that.......................................................
8,The boys don't have any matches,so they can't light the fire
If the boys.....................................................
8. It was found that he lacked of_______to pursue a difficult task to the very end
a.persuasion b.commitment c.engagement d.obligation
9._______I'd like to help you out,I'm afraid I just haven't got any spare money at the moment
a.Even b.Despite c.Much as d.Try as
10.Peter:"I've been awarded a scholaship to study in America." Kate:" Uh, really?_______"
a.Take care of yourself b.Congratulations c.You are always luckey d.Luckey as you are
11.To_________more knowledge, ou should read and travel a lot
a.heighten b.extend c.broaden d.lengthen
12.To go to USA, we need a visa________as passport
a.in addition b.together c.as well d.besides
13.How can they_________ out together what they have to do if they never discuss together
a.come b.find c.word d.make
14.I_________you that I had no intention of offending you
a.convince b.persuade c.guarantee d.assure
15.I insist________your telling me the truth
a.with b.of c.from d.on
Ex 4: Choose the word of phrase that is OPPOSITE in meaning to the underlined part in each of the flowing questions
1. I clearly remember talking to him in a chance meeting last summer
a.unplanned b.deliberate c.accidental d.unintentional
2.In remote communities. it's important to replenish stocks before the winter sets in
a.remake b.refill c.empty d.repeat
Ex5: Choose the word or phrase that is CLOSEST in meaning to the underlined part in each of the flowing questions
1. He didn't go to work this morning and stayed at home due to his serious headache
a.thanks to b.on account of c.in spite of d.in addition to
2.Did she get the better of you in the argument
a.try to beat b.gain a disadvantage over c.gain an advantage over d.try to be as good as
Ex 1: choose the word that has the underlined part pronounced differently from the others in each of the following question
1. a. semester b.excellent c.remember d.exanple
2. a.chemistry b.chicken c.champion d.chapter
3. a conversation b.question c.nation d.solution
4. a.result b.buffalo c.rush d.butcher
5. a.walked b.involved c.jumped d.missed
Ex 2 :choose the word that has the different pronunciation from the rest
1. a.information b.conclude c.starvation d.intensity
2. a.stationery b.investor c.television d.delegate
Ex 3 :choose the correct answer to each of the following question
1.By December, Tom_________ enough money to buy a moutain bike
a. saves b.will save c.will have saved d.has saved
2.Frankly, I'd rather you_____ anything about it for the time being
a.don't do b.hadn't do c.didn't do d.haven't done
3.Since they aren't answering their telephone.they__________
a.must have left b.should have left c.need have left d.can have left
4.The book would have been perfect________the trending
a.had it not been for b.it had not been for c.it hadn't been for d.hadn't it been for
5.I feel ______to inform the committee that a number of members are very unhappy with the decision
a.my duty b.it my duty c.this my duty d.that my duty
6.Hardly______of the painting at the gallery wre for sale
a.none b.few c. some d.any
7.They atytemped to ________the painting to its original condition
a.restore b.renovate c.repair d.refurbish
"I though you were going to take a holiday" John said
=> John expected.........................................................
"Taking a holiday would be a good idea" John said
=> John proposed that.........................................................
"Red wine is the best option for this dish"
=>The waiter advised..............................................................
"The swallows return every spring and fly past my window"
=>She explained.........................................................................
"Can you answer the phone ? I'm having a shower"
=>He asked his son...........................................................................
"Could you come and pick me up from school today, Dad ?"
=>Bill asked.................................................................................
"I won't help you because you didn't help me"
=>Joan said...................................................................................
=>Joan refused...............................................................................
"I'll bring it back tomorrow"
=>He said.......................................................................................
"If the weather is fine, I'll go on a picnic with my friend" she said to me
=>She told me that.............................................................
"What would you do if you had three days off ?" I asked him
=> I asked him....................................................................
"Leave this spaces clear" the notice said
=> The notice told.............................................................
"Mr.Brown, this is Miss White" he said
=>He introduced..................................................................
"Shall I open the window for you ?" he said
=>He told............................................................................
"Don't worry. Of course you can take a holiday" John said
=>John ressured me that...................................................
"Are you going to take a holiday ?" John said
=>John asked whether................................................
"Actually. I'd rather you took a holiday ?" John said
=>John prefered that...........................................................
"I though you were going to take a holiday" John said
=>John proposed that......................................................
"Will you help me, please ?" he said, "I can't reach the top shelf"
=>She asked.....................................................................
"Please do as I say" he said to me
=>He begged....................................................................
"Turn off the computer. You aren't allowed to play game now" Dick's mother said
=>Dick's mother prevented......................................................
"You stole jewels" the inspector said to him (accused)
...................................................................................................
"I only borrowed your car for some hours" the man said (admitted)
........................................................................................................
"You damaged my camera" said Jane to Henry
=>Jane accused..................................................................................
"Yes, it was me who ate all the cake"
She admitted...............................................................................
"I wasn't anywhere near the scene of the crime"
=>The accused claimed..................................................................
"This spot is the best place for a picnic"
=>My mother said....................................................................
I'm pleased to attend your 25th wedding anniversary
⇒I'm looking.....................................................................
He made an effort to reach to the station on time
⇒He tried..............................................................................
It is all right if I open the window and turn on the fan
⇒Do you mind.......................................................................
They made us prepare refreshments for the party
⇒We were...........................................................................
They had a good meal and then went to dance
⇒After they......................................................................
I'd rather drive than be driven
⇒I prefer............................................................................
The volunteers couldn't mow the old lady's lawns because of the rain
⇒The rain prevented.............................................................
"Don't touch the switch, Peter" I said
⇒I warned.............................................................................
"Will you help me, please" She said "I can't reach the top shelf"
⇒She asked......................................................................................
"If you want to take my bike, you should have asked me first"said Mike to his brother
⇒Mike criticized..................................................................
"Shall we walk there?" It's not far" he said
⇒He proposed........................................................................
"If I catch the plane I'll be home by five" he said
⇒He said......................................................................................
"If I had had my mobile yesterday,I would have contacted you" my mother said
⇒My mother said..................................................................................
"If I don't practice my English I won't get any better" she said
⇒She said..............................................................
"I would have been in bad trouble if Jane hadn't helped me" he said
⇒He said........................................................................
Fill in the blanks with the pronuons:one(s), someone, anyone, no one, or every one
Nearly.................................on the Internet uses e-mail to communicate with each others
................................has left their bag behind
I've got some stamps here. Which is the.................................you like?
Was there....................................you knew at the meeting?
Goodbye,...............................I'll see you next week
Does........................................else want to come?
Would you make a copy for.......................in the office and a few extra.......................for the visitors?
There's.......................................................at the door
Ms Drake expects (consult)..................about any revisions in her manuscript before it is printed
Sally gave a good speech that I couldn't resist(applaud).........................loudly when she finished
Tommy admitted (throw)..............................the rock through the window
Paul really didn't mind (surprise).................................by the party to celebrate this fortieth birthday
Anne hoped (invite).............................to join the private club
May I change the TV channel,or do you want (watch).................more of this programme?
If someone(walk)....................................in here with a gun,I would be very frightened
I'm sure he (understand)....................................if you explain the situation to her
If she hadn't walked to the meeting,she(not be).....................late
He always (complain).............if I'm late
If he spoke more clearly,we (understand)..................him
It is easy (see)..............................animals on the road in daylight
I asked him(explain).............but he refused(say).......anything
It is pleasant (sit)...................by the fire at night
There was no way of (get)...........out of the buiding except by (climb)...........................down a rope
It's no good(write)..............................to him;he never answer letters
Ask him(come)...........................in.Don't keep him (stand).......at the door
We watched the children (jump).............from a window and (fall)............into a blanket help by people below
It is very pleasant (wake)...........up and(hear)...the rain(beat)..on the windows