Một đoạn gen có trình tự các nuclêôtit như sau:

3' XGA GAA TTT XGA 5' (mạch mã gốc)

5' GXT XTT AAA GXT 3'

Cho biết một số axit amin được mã hóa tương ứng với các bộ ba: XGA: acginin, GAA: axit glutamic, UUU: phênialanin, GXU: alanin, XUU: lơxin, AAA: lizin, GGU: alixin, AUG: mêtiônin.

Trình tự các axit amin trong chuỗi polipeptit được tổng hợp từ đoạn gen trên là

III.  Complete the following text, using the words in the box.

saxophone                 art       band               concert

pop star          singing           painting          subject

          My friend’s name is Peter and he loves music. He is good at (1)  __________ and he can play the guitar. He wants to learn the (2)    when he is a bit older. He is already in a (3) _____________and they hope to play at the school (4)_____________ next term. He is also interested   in (5)___________ so his favourite (6)      at school is (7)          . But to be honest, he can’t wait to leave school and become a (8)                         .

IV. Complete the following text, using the words in the box.

drums             rap      India               hands              weddings       trousers

        Bhangra is from (1)      and Pakistan. People traditionally played the music at harvest time and also to celebrate New Year and (2)            . The most traditional instrument is a type   of (3)          . Many modern pop artist mix Bhangra with hip hop and (4)       _______.  The dancers in Ayesha’s class learn the dance steps and how to move their (5) _________. Women wear colorful clothes including a   shirt, (6)_________  and a kind of scarf.

 V.  Rewrite the sentences using “not as … as”.

        The hotel in New York was better than the hotel in California.

…………………….....................................................................................................................

        French is easier than German.

…………………………………………………………………………………………………

         Rick is friendlier than Glenn.

…………………………………………………………………………………………………..

         Indonesia is hotter than Viet Nam.

…………………………………………………………………………………………………

         Football is more exciting than volleyball.

  ………………………………………………………………………………………………...

Trình tự nuclêôtit của mARN là 5' - AUG XXX GAA AUU AGG - 3'. Trình tự nuclêôtit của mạch mã gốc quy định tổng hợp phân tử mARN này là:

I.Choose the best answer.

1……………you study for these exams, ………..you will do.

a. The harder/ the better                                   b. The more / the much  

c. The hardest / the best                                   d. The more hard / the more good

2. My neighbour is driving me mad! It seems that………….it is at night , ……………he plays his music!

a. the less / the more loud                                b. the less / less         

c. the more late / the more loudlier                d. the later / the louder

3. Thanks to the progress of science and technology, our lives have become………….

a. more and more good                                                                          b. better and better

c. the more and more good                              d. gooder and gooder

4.The Sears Tower is…………..building in Chicago.

a. taller                        b. the more tall             c. the tallest                d. taller and taller

5. Peter is……………John.

a. younger and more intelligent than             b. more young and intelligent than

c. more intelligent and younger than             d. the more intelligent and younger than

6.Robert does not have………….Peter does.

a. money more than   b. as many money as   c. more money as       d. as much money as

7. It gets…………..when the winter is coming.

a. cold and cold           b. the coldest and coldest                                          c. colder and colder              d. more and more cold

8.French is a…………language to learn than English is.

a. difficult                   b. more difficult           c. most difficult        d. more and more difficult

9. Of the two students, Sarah is the ……………

a. most intelligent      b. more intelligent        c. intelligent               d.most intelligently

10.A car is……………….than a motorbike.

a. cheap                       b. cheaper                      c. expensive               d. more expensive

11. Thanks to the great effort of doctors and nurses, her health is  getting…………….

a. worse                       b. better                         c. worse and worse    d. better and better

12. Day by day we are all getting…………..

a. older and older      b. fatter and fatter        c. wiser and healthier     d. richer

13. The more you work, the…………you can earn.

a. more promotion     b. more tired                 c. more money           d. more experience

14. The more I live with her, the …….I understand her.

a. more                        b. most                           c. best                          d. deeper

15. The more………you eat, the fatter you become.

a. vegetables               b. fish                             c. meat                         d. fruit

16. Nowadays everything is getting………….

a. more expensive                                             b.more expensive and more expensive

c. more and more expensive                            d. the most expensive

17. The fatter I become, the…………I run.

a. quicker                    b. more slowly              c. slower                      d. more fast

18. The winter is coming, it is getting…………

a. more cold                b. the more cold           c. colder and colder  d. the most cold

19. he learns English…………….than we do.

a. badly                       b. badlier                       c. more badly             d. worse

20. Their house is……………beautiful than mine

a. as                              b. more                           c. much                        d. so

1.Eating habits in japan are different............the USA

A.at    B.on    C.in     D.from

2.Eating too much candy is..........for you

A.healthier       B.healthy      C.unhealthy      D.healthiest

3.............is made quickly and is not very good for you

A.lifestyle    B.medicine      C.fast food    D.sunlight        

4.Ngan goes..........once a week

A.swims     B.to swim    C.swimming       D.swim

5."let's go to my house"-"..............."

A.not good.      B.i'm love to C.good idea.      D.thanks

6."would you like to come to my party?"-"................."

A.that right.  B.yes,I'd love to

C.you 're welcome.   D.sorry

7.vietnamese people usually use chopsticks. That's the same............China

A.at.  B.on. C.as. D.to

8.my house is different......... your house

A.from. B.for. C.at. D.as

9.vietnam's..............flower is lotus

A.traditional.   B.national.   C.nation.        D.tradition

10.lisa should do more............ because she is fat

A.exercises.      B.homework

C.food.          D.games

fill in the blank with the correct form of word in bracket :

1 . Environmental ................ is every body's responsibility.              PROTECT

2 . Taxi drivers have to have a very goo ................. on the street names.     KNOW

3 . In the future , many buildings will be ........................ by solar energy.       HOT

4. These ................... will conserve the earth's resources.            INNOVATE

5 . D.E Huges was  the ................... of microphone.           INVENT

6 . If it doesn't rain soon , there'll be a great .................. of water.           SHORT

V. Chọn đáp án đúng.

·         1. I ……………… here until he ……………… me.

o    a. will stay/ answers

o    b. stay/ will answer

o    c. stay/ answer

o    d. will stay/ will answer

·         2. We .............. out when the rain stops.

o    are going

o    will go

o    is going

o    go

·         3. She ................. until you .............. ready.

o    won't come - will be

o    won't come - are

o    comes - will be

o    comes - are

·         4. I ............. and ................... you before I ................. here.

o    come - see - leave

o    will come - see - will leave

o    will come - see - leave

o    come - see - will leave

·         5. We .................. home as soon as we have finished our work.

o        go

o    goes

o    will goes

o    will go

·         6. I ............... here until you ........... back tomorrow.

o    wait - come

o    wait - will come

o    will wait - come

o    will wait - will come

·         7. I ................. you some postcards as soon as I ................. in London.

o    will send - arrive

o    will send - will arrive

o    send - arrive

o    send - will arrive

·         8. We ................ our plane next week.

o    will start

o    will starts

o    start

o    starts

·         9. Our English teacher ……………… that lesson to us tomorrow.

o    a. will explain

o    b. explain

o    c. explains

o    d. has explained

·         10. What .............. you ………… at 7 p.m next Sunday?

o    a. will … do

o    b. will …. be doing

o    c. do … do

o    d. were … doing

·         11. When I ……………… Mr Pike tomorrow, I ……………… him of that.

o    a. will see/ remind

o    b. see/ will remind

o    c. will see/ will remind

o    d. see/ remind

·         12. When you ……………… today, you ……………… at my desk in Room 12.

o    a. will come/ work

o    b. come/ will work

o    c. will come/ will work

o    d. come/work

·         13. I ……………… the parcel until I hear from you.

o    a. won’t send

o    b. don’t send

o    c. am not sending

o    d. didn’t send

·         14. By the time you come there, she ……………… a big cake.

o    a. will make

o    b. make

o    c. makes

o    d. made

·         15. I'm preparing to support anything he ............. tomorrow.

o    a. will say

o    b. say

o    c. says

o    d. said

·         16. I think he ……………… as soon as he ……………… the news.

o    a. will leave/ knows

o    b. leaves/ will know

o    c. leave/ will know

o    d. leaves/ knows

·         17. My mother ……………… to stay with us next weekend.

o    a. come

o    b. comes

o    c. will come

o    d. has come

·         18. He ……………… you soon.

o    a. come and will see

o    b. comes and sees

o    c. will come and see

o    d. come and sees

·         19. Where .......... you ……………… your holidays next summer?

o    a. will ….spend

o    b. spend

o    c. do …. spend

o    d. does … spend

·         20. When you ……………… into the office, Mr John ……………… at the front desk.

o    a. will go/ sits

o    b. go/ will sit

o    c. will go/ will sit

o    d. go/ sits

❷ VOCABULARY

I. Fill in the blanks using the words in the box.

1. Steak-frites is a kind of meat dish. It's beef and French fries.
2. We_______________ the sausages on the barbecue.
3. You can get good_______________ in this restaurant. They serve really good crab and shrimp.
4. I don't like to eat grilled beef or pork, so I had grilled_______________.
5. _______________ the steak in a little butter. It's so good.
6. Pad see ew is a popular dish from Thailand with fried_______________.
7. I really like fried_______________. Bacon is my favorite type.

8. I like to put chili in my_______________ and pour it on my noodles.
9. My mom uses_______________ from the garden to make our food taste amazing.