Em có thể báo lại bên chăm sóc khách hàng của hệ thống, người ta sẽ hướng dẫn em cách khắc phục nhé! 

nhưng em đã nói rồi mà họ nói e ko hiểu.Họ nói nhập mã mà sms gửi về á nhưng em ko bt nhập mã đó ở đâu hêt

Bạn học lớp mấy vậy???Mình thi xong rồi, có khi mình còn nhớ hộ cho bạn vài cái đề!

Thôi hok sao đâu bạn cố gắng thi để gặt hái được nhiều thành công và cụ thể là những điểm 9,điểm 10>....>..

HAPPY NEW YEAR

hãy vui vẻ,cố gắng ôn thi nha!!!!

REVISION FOR MID-TERM TEST

Part A. Pronunciation

Choose the word whose underlined part is pronounced differently

1. A.high                B.rough           C.tough           D.laugh

2. A.bag                B.frog              C.original     D.flag

3. A.hurricane       B.scarf            C.city              D.cracker

4. A.labour             B.flour           C.favour          D.honour

5. A.fear                B.earn             C.hear             D.clear

6. A.photo              B.favour       C.volleyball     D.laugh

7. A.cinema          B.comic           C.cake             D.cool

8. A.guess              B.big                C.sign            D.again

9. A.picture            B.sure              C.nurture        D.nature

10. A.rehearse      B.return           C.first            D.collector

11. A. half                B. fan               C. ferry           D. of

12. A. laugh              B. although     C. cough           D. paragraph

13. A. worker          B. teacher        C. sunburn      D. better

14. A. nurse             B. girl               C. pottery      D. return

15. A. melody        B. refer            C. surf             D. bird

Part B. Multiple choice

Exercise 1. Choose the best answer to complete the sentences

1. Phuong ____ drinking soft drinks because It’s not good for her health.

A. enjoys          B. hates         C. likes              D. loves

2. If you want to live long, you ____ eat much red meat.

A. have to                 B. shouldn’t              C. should           D. needn’t

3. Don’t read in bed, ____ you’ll harm your eyes.        

A. so         B. but               C. and                D. or

4. ________ judo is my brother’s hobby.          

A. Taking  B.  Doing          C. Going     D. Having

5. My father enjoys ________ wood.                       

A. carve     B. to carve        C. carving       D. in carving

6. I find making pottery ________                  

A. boring  B. is boring       C. bored     D. bores

7. Lan thinks ice-skating ________  

A. very dangerous      B. dangerous     C. is dangerous         D. danger

8. He looks so tired. He can’t keep his eyes open! He’s very hot too. I think he has

A. stomachache    B. a temperature          C. a cough                D. the flu

9. They like playing  football because it helps them ________

        A. relax            B. relaxing                C. to relaxing             D. relaxes

10. ________ glass bottles is my sister’s hobby.

        A. Finding         B.  Doing           C.  Talking                  D. Collecting

11. My mother dislikes________ to POP music.

A. listening                B. listens           C. listen           D. listened

12. You'll become healthier if you consume ________ soft drinks.

A.more                      B.less                        C.much                      D.fewer

13. My friend has decided to use ___________ electricity by using more solar energy instead.

A.more                      B.less                               C.much              D.fewer

14. It’s a pity that I ________ “Green Summer” programme last year.

A. don’t join              B. didn’t join           C. won’t join              D. haven’t joined

15. The examination is coming. Watch ________ TV

A. fewer           B. much             C. less                      D. more

16.  A: - This weekend I’m going to the SOS village to teach children there. // B: I ________ you.

A. have joined            B. will join                C. am joining             D. join

17. I find ________ football very useful.

A. play                            B. playing            C. to play         D. plays

18. You should spend your free time ________ books

        A. read                      B. to read        C. reading             D. to reading

19. I find this hobby is relaxing. I feel much better when I raise my voice to make musical sounds.

My hobby is ________

A. collecting                       B. cooking                 C. playing          D. singing

20. My father shares this hobby with me. We usually spend hours in the evening reading the instructions and creating small planes or cars. Our hobby is ________.

A. carving eggshells            B. making models      C. collecting things    D. carving wood)

21. You have a cough. Drink ________ warm water.

A. fewer                    B. much             C. less                       D. more

22. Don’t worry. I ________  you lose weight.

A. will help                        B. help                     C. helping         D. helped

23. Some people have a very bad habit of ________ in public. They spit anywhere.

A. smoking                 B. littering                        C. spitting                D. eating fast

24. It’s harmful for your body if you eat a lot of ________.

A. fruit and vegetables.      B. fruit                    C. vegetables              D. fast food

25. Nam wants to lose weight, ______ he began jogging last Sunday.

A.or          B.and                C.but        D.so

26. I ______ playing board games interesting because I can play them with my friends.

A.think             B.find               C.say         D.tell

27. This summer Lan _______ three volunteer activities.

A.has participated in         B.participated in        C.participates in        D.participating in

28. Before moving to Ha Noi, my parents _______ in Hai Phong.

A.have lived               B.have been living              C.lived                       D.live

29. The children _____ painting the mural over graffiti yet.

A. didn’t finish                B. haven’t finished               C. are finishing  D. hasn’t finished

30. ____ the elderly people in the nursing home so far, Julia?

A. have you visited             B. Did you visit          C. Do you visit           D. Are you visiting

31. People ______ between 1,600 and 2,500 calories a day to stay healthy

A. are needing               B. needed              C. have needed          D. need    

32. The room smells bad. Somebody ______ in here  

A. smoke                       B. has smoked               C. smoked          D. will smoke    

33. In that area, it _______ difficult to find enough food in winter.

A. has been                   B. was                   C. is                  D. will be

34. He ate a lot of junk food, so he ______ fat quickly

A. got                           B. gets                  C. has gotten             D. is getting                                         

35. I’ve ______ seen this film. Let’s watch something else. 

A. never                B. ever              C. already          d. yet

36. Be a Buddy was founded _______ to help the street children

A. since 2010                B. in 2011                      C. every year             D. until 2011

37. We often organize concerts to _______ funds for poor children.

A. donate          B. raise             C. volunteer               D. grow

38. Vietnamese people have had the ____ of helping one another since the early days of the country.              

A. custom         B. legend          C. tradition               D. religion

39. Community service is the work we do for the _______ of the community.

                            A. benefits            B. forces   C. problems               D. events

40. We’ve decided to clean up the lake ______ it is full of rubbish.

A. so         B. therefore              C. but                       D. because

Exercise 2. Mark the letter A, B, C or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.

1. I don’t know why girls collect things. It’s a piece of cake.

A. unusual         B. easy                      C. boring           D. strange

2. Will you take up making pottery in the future?

A. continue                B. stop                      C. intend           D. start

3. You sound down Phong, are you OK?

A. feel sad                B. look happy             C. are ill                    D. seem tired

4. People should have between 1,600 and 2,500 calories a day to stay in shape.

A. be on a diet                   B. be fit and healthy          C. be full           D. finish your work

5. Why do people listen to Dr.Law’s advice?

A. view                      B. idea                      C. tip        D. experience

Exercise 3. Mark the letter A, B, C or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.

1.  I eat junk food all the time, so I am putting on weight.

A. increasing             B. gaining          C. losing            D. getting

2.More and more children are becoming obese.

A. underweight          B. fat                       C. chubby          D. overweight

3. Mi has the same hobby as Elena.

A. similar                  B. different              C. interesting            D. like

4. Colle...

Bn ơi mik ko hiểu gì hết bn chụp hình đi

đương niên là 1kg sắt

Sai tẹt bét 

Bằng nhau hết

Nếu ko up lên đc thì coppy văn bản hoặc gõ :))

mình viết đi 

B

B

ko thi lại đc đâu

bạn kia sao nói thế ;((

Quy ước gen : 

Thân xám A 

Thân đen a 

a. Ruồi bố thân xám có KG là Aa và AA 

Ruồi mẹ thân đen có KG là : aa

P giao phối có 2 phép lai : AA x aa (1) hoặc Aa x aa(2)

Nếu TH (1) thì F1 có KG là Aa và KH là thân xám 

TH(2) thì F1 có KG là 1Aa : 1aa và KH là 1 xám : 1 đen

b. Nếu cho ruồi giấm giao phối với nhau thì F1 có các sơ đồ: 

TH Nếu F1 100% thân xám => F1 x F1 : Aa x Aa

TH Nếu F1 50% xám : 50% đen => F1 x F1 : Aa x Aa hoặc Aa x aa hoặc aa x aa 

thì hãy học đê :)) mỗi tội cùng tuổi mà lại học dưới chúng nó thì hơi bùn

thì bạn sinh tháng mấy