tìm x:

a) (2²)^x = 2⁵

b) (3^x)² = 81

c) 8^{x +1} = 2³⁰⁰³

d) 8^x+1 = 4¹⁰⁰²

complete the tensences

My frends, Ben,has had a few problems with his health. He didn't feel well, ________________ he told his parents about that. His mum said, 'You should go to bed_______________. You_______________ stay up so late at night". He phoned me and told me about the problems. I said, " Don't play so _____________ computer games. Go outside _______________ play football."

He didn't go to school last week. He want to_____________ the doctor. The doctor said " you should stay at home for a week. Don't go out and don't turn on your computer."

At school today, he looked sad. We asked him, What's_______________? You should be happy. You weren't here last week"

Ben is ________________ his school work from last week. He's not happy at all.

Writing

Do you believe that eating....carrots helps you see at night?

We should try to keep everything around US clean and then flu will find it ....to spread

Be careful with.....you eat and drink.

Eating a lot of junk food may lead to your....

We should follow the advice from doctors and health....in order to keep fit

Have a healthy....and you can enjoy your life

The health..... from that diet expert is that you should eat less junk food and count your calories if you are becoming fat

The seafood I ate morning makes me feel..... all over

complete the sentences

1) Watching to much television is not good________________ you or your eyes.

2) When you have flu, you may have a cough and a_______________ nose.

3) When you have a temperature, you should drink more water and rest_______________.

4) I forgot to wear a sun hat today and I got a________________.

5) We should phay sports or do exercise in order to stay in_________________.

get up early........................do more exercise.

Fill in each blank

And we cat less high-fat food,but his face is red,and you will be under stress,so you should eat fewer sweets,but he doesn't take medicines

1,my family eats more fruit and vegetables,.....

2.My brother doesn't have a temperature,

3.You have a toothache,.....

Full in each blank

Or her face is red,but he doesn't take medicine,or you will be under stress,so you should eat fewer sweets,but he doesn't take medicines

1.My family eats more fruit and vegetables,......

2.My brother doesn't have a temperature,......

3.you have a toothache,.......

david: I've got a new computer. It cost me................................

Henry: Wow, it's great! I've always wanted............................... have a screenlike this. Let's play some games.

david: Shall we have another game?

henry: I hate to say ....................................., but I think I should stop. I've ............................................ a really bad.

david: Do you want to ................................... a painkiller?

herry: no, it's ok.

david: ok. shall we watch a DVD?

herry: I know I .......................... lokk at any more screen. my eyes .......................... i'm going home

writing

1. You can avoid some diseases by ______________ youself clean.

2. The Japanese eat a lot of fish instead of meat_______________ they stay healtheir.

3. Rob eat a lot of fast food and he ________________ on a lot of weight.

4. We need to spend less time________________ computer games.

5. Do more exercise ________________ eat more fruit and vegetables.

6. After working on computers for long hours, you shoulds __________________ yours eyes and relax.

tìm x, biết

a) 2^x . 2^{2\(^2\)} = 2^{3\(^2\)}

b) 2^{x + 3} + 2^x = 144

c) 3^{2 + x} + 3^{x + 3} = 2² . 2⁵