cho △ABC cân tại A từ A hạ AH⊥BC trên tia đối của tia AH lấy điểm M sao cho HM=AH trên tia đối của tia CB lấy điểm N sao cho CN=BC
a, chứng minh C là trọng tâm của △AMN
b, AC cắt MN tại I chứng minh HI//AN
VIII)-Fill in each blank with the correct preposition.
1. Thousands of people were exposed _______________ radiation when the nuclear plant exploded.
2. Waste water from many factories which is dumped _____________ water bodies directly causes water pollution.
3. Land pollution is responsible for damage done _____________ natural habitat of animals.
4. Americans throw ______________ twenty-eight and a half million tons of plastic in landfills every year.
5. Scientists have come up _____________ new ways of saving energy.
Put the following sentences into reported speech
1. Jond said to his mother,"I don't know how to do this exercise".
2. Paul said " I must go home now"
3. "We are waiting for the school bus", suad the children
4. "Do you have to water flowers every morning, Lan?" Tam asker
5. Mary said "My father died a year ago"
6. Jond said ," I have finished studying my lesson "
7. "Have you done your homework? " said my mother
8. My friend said,"Are you going to leave tomorrow ?"
9. "Will Nam visit Huong Pagoda tomorrow? " Minh asked me
10. I asker Bill, "What time did you do to bed last night ?"
11. Tim asker me "What are you doing now ?"
12. "How long have you lived in Ha Noi, Tuan " Lam asker
GIÚP MÌNH VỚI 😿
Turn these sentences into passive form
1. Children should clean their teeth twice a day
2. I haven't found my raincoat. Someone has stolen it
3.the manager didn't phone the secretary this morning
4. Did Mary buy this beatiful dress?
5. Will you clean your room tomorrow?
II. Read the passage and choose the best answer:
1/ In Stone Age people wore clothes made of fur and leather (1) ............ from animal skins or woven grasses. Then (2) ............... the Bronze Age, people learned to weave clothes on looms. Clothes made of wool and cotton came into existence. Fur, leather, grass, wool and cotton (3) ............ the materials that people at that time could from the nature. In the 20th century with the (4) ........... of science and (5) ........... , people made their clothes from syntheticmaterials (6) ....... nylon or acrylic.
1. A. with B. on C. at D. by
2. A. is B. are C. was D. were
3. A. develop B. developed C. developing D. development
4. A. technology B. education C. fashion D. designers
5. A. for B. by C. like D. such
2/ Singapore is an island country of about three milion people. It's a beautiful (1) ............ with lots of parks and opens spaces. It's also a very (2) ............ city. Most people (3) ........... in high-rise flats in different parts of island. The business district is very modern with lots of high new office buildings. Singapore also has some nice older sections. In Chinatown, there are rows of old short houses. The government buildings in Singapore are very beautiful and date (4) ............ the colonial days.
Singapore is famous for (5) ............. shops and restaurants. There are many good shopping centers. Most of the (6) ........... are duty free. Singapore ' s restaurant sell Chinese, Indian, Malay and European food, and the prices are quite reasonable.
1. A. district B. town C. city D. village
2. A. large B.dirty C. small D. clean
3. A. live B. lives C. are living D. lived
4. A. for B. since C. from D. of
5. A. their B. the C. it's D. its
6. A. priced B. prices C. good D. goods
23, Many fish in my lake have died because of the.......water
a. pollute
b.pollution
c.polluted
d.polluting
24, The.........are searching through the rubble for surviors
a.rescuers
b.washers
c.fighters
d.builders
25, The old tradition of first-footing is still practised today in.....
a,Scottish
b,Scot
c,Scotland
d,The Scotland
26,The Maori in New Zealand greet each other by.........their noses
a,punching
b,touching
c,blowing
d,kissing
27,I tried........you lots of times but couldn't get through
a,called
b,call
c,to call
d,calling
28,Tsunami is a very large ocean wave caused by underwater earthquakes or........eruption
a,stormy
b,dusty
c,volcanic
d,cloudy
Rewrite the following sentences, using the words in brackets.
1. The noise from the music club is loud, so the residents of the street cannot sleep. (because of )
→....................................................................
2. Vy had a stomachache because she ate a big dinner. (since)
→ ......................................................................
3. Because it rained heavily, the road in front of my house was flooded. (due to)
→ ...........................................................................
4. His room is untidy, so his mother is unhappy. (because)
→ .............................................................................
5. Global warming happens when there is too much carbon dioxide (CO2) in the atmosphere. (cause)
→ ................................................................................
Rewrite the following sentences based on th given words
1.People don't care much about anviroment. so they keep making it worse
➔ If people .................................................................................................
Điền từ tự do
SAFETY ON THE ROADS
Every day many road accidents happen in big cities. Some accidents cause injures but some lead (1) death. Everyone, especially children, must learn how to cross the road. A simple code to remember is "STOP,LOOK AND LISTEN BEFORE YOU CROSS"
Parents and teachers (2) educate children on road safety. Most schools have their own School Road Safety Patrols. The School Road Safety Patrol is a uniformed group. It recruits secondary school(3) as members. Students in senior forms help fellow students cross the road corectly and safety on their way to and from school
When you go out alone, however, what is the best way to (4) the road? First you must find a safe place to cross . These may be subways, footbridges, zebra or green man crossings. Of course, it is safest to be directed(5) a policeman. Then you should stand on the pavement where you can see clearly all the directions, look around for the traffic and listen. If a car, (6) coming, you ought to let it pass. When there is no(7) near, walk straight across the road. Do not run as you may trip!Roads are dangerous. However, if everyone takes care when crossing the road, there will be fewer traffic(8). Our transport system will then become safer and more efficient
Someone stole all our money and passports.
All our money and passports.........................
"Where will you stay when you come to HCM city tomorrow ",Duc?"
Hoa................
