In a big storm, why do you hear the thunder after you have seen the lightning?

            A. The speed of sound is greater than the speed of light      

            B. Our eyes respond quicker than our ears

            C. Thunder happened at some time after the lightning

            D. The speed of sound is much slower than the speed of light

1, Rewrite the sentence , beginning as shown :

1, I expected my friend arrived at about 4.p.m , but today it is only six degrees.

My friends..............

2, Jane cooks better than her sister.

Jane's sister...............

3, Tom is the best football player in this team.

Nobody in his team............

4, Nothing is faster than the speed of light.

The speed of light....................

5, Jack is jounger than he looks.

Jack isn't........

6, I didn't spend as much money as you do.

................

7, I have never met anyone as interesting as he is.

He is.................

Put one suitable modal verb to complete the sentence:

can couldn't must mustn't should shouldn't

1. You....... smoke and drink wine too much.

2. You .......... pass the entrenca exam if you want to study at that school.

3. He ................... do it himself.

4. Your brother.................... take part in some outdoors activities.

5. You............ go if the traffic light is red.

6. He .......... swim quickler than his brother, so he lost.

Choose the correct words from the box to fill the gaps.

 1. I think in the future we will be able to go to the Moon in a_____ spaceship that travels faster than the speed of sound. 

2. You can read a newspaper while in a______car because it is automated.

3. Imagine in the future we will take_____________ trains and enjoy watching fish swimming around us when we are travelling.

4. Solar energy is___________.

5. ____________ships use wind as their energy for sailing.

6. 'Bullet train' is a type of _________train that first came from Japan.

Question 1
Bob drove from City P to City Q. He traveled the first 36km at an average speed of 54km/h. He traveled the remaining 96km at a average speed of 72km/h. Find his average speed for the whole trip.
Answer: km/h.

Question 2
John drove from Town A to Town B in 5 hours. His average speed for the first 3.5 hours was 64km/h. His average speed for the last 1.5 hours was 60km/h. What was the total distance he traveled? 
Answer: km.

Question 3
A car traveled at 50km/h for 2 hours and at 60km/h for 3 hours. What is the car’s average speed?
Answer: km/h

COmplete the sentences using  words given

1. I think in the future we will be able to go to the Moon in a... spaceship that travels faster than the speed of sound.

2. You can read a newspaper while in a    car because it is automated.

3.Imagine in the future wewill take .. trains and enjoy watching fish swimming around us when we are travelling

4. Solar energy is...

5. .... ships use wind as their energy for sailing

6. ' Bullet train' is a type of ... train that first came from Japan

( eco-friendly,supersonic,wind- powered, high-speed, driverless, underwater)

chia V

I don't think it ( be) ... pleasant