sson 1. Lan in the apartment number? Lan house is in an 8 storey house, each floor has 8 apartments. One day, the class asked Lan: "What is your house in the apartment?" "Ask me some questions, I will answer all your questions, but just say" yes "or" no. "Through these questions you try to figure out how many in the apartment" Huy said: "I will ask, are you in the apartment number 1, number 2, ..., No. 63. So with most 63 questions you will know which apartment you. You say, "I only need 14 questions, 7 sentences enough to know what floor you are on and 7 you can know exactly what you are in the apartment." Dear children, I have to ask several times to know. How are you Lan in the apartment?

Lesson 2. Game together across the bridge. Four people need to cross a bridge. Because of the weak demand, each time we go not more than two people, and because it is dark, we have to take the light. Four people walk differently, crossing the bridge with corresponding time of 10 minutes, 5 minutes, 2 minutes and 1 minute. Since there is only one lamp, each passage must be carried back to the next person. When two people go together, cross the bridge with a slower time. The following example is a way to go: - 10 minutes to go with people 5 minutes to bridge, 10 minutes to take. - 5 minutes to take the lamp back, take 5 minutes. - 5 minutes to go with people 2 minutes through the bridge, It takes 5 minutes. - 2 minutes to take the lamp back, take 2 minutes. - 2 minutes with people 1 minute over the bridge, take 2 minutes. Total time is 10 + 5 + 5 + 2 + 2 = 24 minutes. Let's try to get away with a little less time as possible, and if less than 19 minutes is great

Lesson 3. Cashmere. Mallard buys 27 apples that are identical in size and volume. However, the salesman said that of the apples on the right is a slightly lighter weight. You use a table scales on both sides to find the apple that light. The minimum number of weighs required. Let's help you find that little apple. If they find that fruit after less than 5 weightings, then it is good.

I.Use the adjective in brackets in their correct forms of comparison to complete the sentences.

1.Tea is ______________________ coffee. (cheap)

2.The new harvest machine is ______________________ than the old one. (effective)

3.The countryside is ______________________ the town. (beautiful)

4.A tractor is ______________________ a buffalo. (powerful)

5.My sister is ______________________ me. (tall)

6.Blue whales are ______________________ elephants. (heavy) 

 7.The Mekong River is ______________________ the Red River. (long)

8.Do you think English is ______________________ French in grammar? (easy)

9.My new bed is ______________________ my old bed. (comfortable)

10.The film about my village town is ______________________ than the book. (interesting)

The volume of traffic in many cities in the world today continues to expand. This (1)________ many problems, including serious air pollution, lengthy delays, and the greater risk (2) ________ accidents. Clearly, something must be done, but it is often difficult to persuade people to change their habits and leave their cars at home.

          One possible approach is to make it more expensive for people to use their cars be increasing changes for parking and bringing in tougher fines for anyone who (3) ________ the law. In addition, drivers could be required to pay for using particular routes at different times of the day. This system, also known as ‘road pricing’, is already being introduced in a number of cities, using a special electronic card (4) ________ to windscreen of the car.

          Another ways of dealing with the problem is to provide cheap parking on the outskirts of the city, and strictly control the number of vehicles allowed into the centre. Drivers and their passengers then use a special bus service for the final stage of their journey.

          Of course, the most important (5) ________ is to provide good public transport. However, to get people to give up the comfort their cars, public transport must be felt to be reliable, convenient and comfortable, with fares charged at an acceptable level.

Điền vào số 1

A. causes

B. results

C. leads

D. invents

The volume of traffic in many cities in the world today continues to expand. This (1)________ many problems, including serious air pollution, lengthy delays, and the greater risk (2) ________ accidents. Clearly, something must be done, but it is often difficult to persuade people to change their habits and leave their cars at home.

          One possible approach is to make it more expensive for people to use their cars be increasing changes for parking and bringing in tougher fines for anyone who (3) ________ the law. In addition, drivers could be required to pay for using particular routes at different times of the day. This system, also known as ‘road pricing’, is already being introduced in a number of cities, using a special electronic card (4) ________ to windscreen of the car.

          Another ways of dealing with the problem is to provide cheap parking on the outskirts of the city, and strictly control the number of vehicles allowed into the centre. Drivers and their passengers then use a special bus service for the final stage of their journey.

         Of course, the most important (5) ________ is to provide good public transport. However, to get people to give up the comfort their cars, public transport must be felt to be reliable, convenient and comfortable, with fares charged at an acceptable level.

Điền vào số 2

A. of

B. for

C. about

D. by

The volume of traffic in many cities in the world today continues to expand. This (1)________ many problems, including serious air pollution, lengthy delays, and the greater risk (2) ________ accidents. Clearly, something must be done, but it is often difficult to persuade people to change their habits and leave their cars at home.

          One possible approach is to make it more expensive for people to use their cars be increasing changes for parking and bringing in tougher fines for anyone who (3) ________ the law. In addition, drivers could be required to pay for using particular routes at different times of the day. This system, also known as ‘road pricing’, is already being introduced in a number of cities, using a special electronic card (4) ________ to windscreen of the car.

          Another ways of dealing with the problem is to provide cheap parking on the outskirts of the city, and strictly control the number of vehicles allowed into the centre. Drivers and their passengers then use a special bus service for the final stage of their journey.

        Of course, the most important (5) ________ is to provide good public transport. However, to get people to give up the comfort their cars, public transport must be felt to be reliable, convenient and comfortable, with fares charged at an acceptable level.

Điền vào số 3

A. crosses

B. refuses

C. breaks

D. cracks

The volume of traffic in many cities in the world today continues to expand. This (1)________ many problems, including serious air pollution, lengthy delays, and the greater risk (2) ________ accidents. Clearly, something must be done, but it is often difficult to persuade people to change their habits and leave their cars at home.

          One possible approach is to make it more expensive for people to use their cars be increasing changes for parking and bringing in tougher fines for anyone who (3) ________ the law. In addition, drivers could be required to pay for using particular routes at different times of the day. This system, also known as ‘road pricing’, is already being introduced in a number of cities, using a special electronic card (4) ________ to windscreen of the car.

          Another ways of dealing with the problem is to provide cheap parking on the outskirts of the city, and strictly control the number of vehicles allowed into the centre. Drivers and their passengers then use a special bus service for the final stage of their journey.

         Of course, the most important (5) ________ is to provide good public transport. However, to get people to give up the comfort their cars, public transport must be felt to be reliable, convenient and comfortable, with fares charged at an acceptable level.

Điền vào số 4

A. fixed

B. joined

C. built

D. placed

The volume of traffic in many cities in the world today continues to expand. This (1)________ many problems, including serious air pollution, lengthy delays, and the greater risk (2) ________ accidents. Clearly, something must be done, but it is often difficult to persuade people to change their habits and leave their cars at home.

          One possible approach is to make it more expensive for people to use their cars be increasing changes for parking and bringing in tougher fines for anyone who (3) ________ the law. In addition, drivers could be required to pay for using particular routes at different times of the day. This system, also known as ‘road pricing’, is already being introduced in a number of cities, using a special electronic card (4) ________ to windscreen of the car.

          Another ways of dealing with the problem is to provide cheap parking on the outskirts of the city, and strictly control the number of vehicles allowed into the centre. Drivers and their passengers then use a special bus service for the final stage of their journey.

          Of course, the most important (5) ________ is to provide good public transport. However, to get people to give up the comfort their cars, public transport must be felt to be reliable, convenient and comfortable, with fares charged at an acceptable level.

Điền vào số 5

A. thought

B. thing

C. work

D. event

Fill in the correct form of the comparison:

1. Bikes are __________ (cheap) than cars.

2. January is __________ (cold) than June.

3. My sister is __________ (thin) than my brother.

4. Sue is __________ (good) at English than me.

5. Hares are __________ (fast) than tortoises.

6. Lucy is __________ (old).

7. Alan's eyes are __________ (big) than Peter's.

8. Mount Everest is __________ (high) than K2.

9. Paula's hair is __________ (long) than Martha's.

10. My girlfriend is __________ (pretty) than Rose.

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