Choose the word or phrase that is OPPOSITE in meaning to the underlined part in each of the following questions.

29.When I was going shopping yesterday, I accidentally met one of my old friends in high school.

30.A. by far B. by heart C. by chance D. on purpose

31.The chairman initiated the proceedings with a brief speech. A. confused B. closed C. started D. Complicated

32.He decided not to buy the fake watch and wait until he had more money.A. authentic B. forger C.faulty D.original

33.Her father likes the head cabbage rare. A. over-boiled B. precious C. scarce D. scare

34.Electric motors range in size from the tiny mechanisms that operate sewing machines to the great engines in heavy locomotives. A. fail to work B. ready to work C. easy to work D. simple to work

35.As far as I am concerned, that Lộc can pass the Entrance Examination is as easy as a pie because he is very excellent students in our school. A. sipmle B. complex C. dificult D. normal

36.Scientists proof that choosing a career for money will make you less efficient, happy and more selfish.

A. effective B. ineffective C. capable D. proficient

37.In the first two decades of its existence, the cinema developed rapidly.A. weakly B. slowly C. leisurely D. shortly

38.Children from affluent families find it too difficult to adapt to university dormitory life.A. Wealthy B. Well-off C. Privileged D. Impoverished

39.“That is a well-behaved boy whose behaviour has nothing to complain about”.A. behaving cleverly B. good behavior C. behaving nice. D. behaving improperly

40.“It is a really difficult matter for pessimists to decide how to solve now”.A. operatorsB. optimists C. opportunists D. Opponents

41.She thinks they look down on her because she didn't go to university.A. look up toB. look on to C. look in on D. look up for

42.He was imprisoned because he revealed secrets to the enemies.A. betrayedB. concealed C. disowned D. declared

43.Those clothes are inappropriate for this evening.A. suitable B. attractive C. available D. improper

44.The bank announced that it was to merge with another of the high street banks.A.associate B.cooperateC.assemble D.separate

45.He had never experienced such rudeness towards the president as it occurred at the annual meeting in May. A. impoliteness B. encouragement C.politeness D.measurement

1. Mr. Gerstein was particularly taken aback to hear that sleeping problems are often linked to physical problems.

A. surprised B. intended C. determined D. relieved

2. I shouldn’t go outside without a raincoat because it’s raining cats and dogs.

A. it’s just started to rain B. it’s raining very heavily C. it’s going to rain D. it’s drizzling

3. Nutritious foods, such as fruits and vegetables, help our bodies grow

.A. healthy B. boringC. unpleasant D. spicy

4. I thought I'd make use of the sports facilities while I'm here. A. take part in B. get on with C. pay attention toD. take advantage of

5. After the earthquake we felt grateful to be alive.A. sorrowful B. thankful C. mournful D. fateful

6. There is a lot of opposition to the proposed changes.A. disbelief B. inaccuracy C. appraisal D. disagreement

7. As they were standing quite far away, Jeremy couldn’t make out what his friends were saying.A.create B.hear C.imagine D.assume

8. I unexpectedly met a very old friend yesterday. In fact, we hadn’t seen each other for several years.A. ran over B. ran into C. looked for D. looked into

9. Being listed as an endangered species can have negative effect since it could make a species more desirable for collectors and poachers.

A. awareness B. preservation C. support D. impact

10.He was asked to account for his presence at the scene of crime.A. complain B.exchange C. explain D.arrange

11.When the laser strikes the chemicals, it releases a form of oxygen that kills cancer cells.A. gives out B. contains C.vaporizes D. omits

1. Leaders of a number of schools should cary out reasonable timetable for final year students in such away they have more time to revise.

A. renovate B. exsecute C. perform D. display

2. He had never experienced such discourtesy towards the president as it occurred at the annual meeting in May.

A. politeness B. rudeness C. encouragement D. measurement

3. The members of the orchestra have arrived an hour prior to the performance for a short rehearsal. A. after B. while C. when D. before

Viết đoạn văn theo cách lập luận quy nạp ( khoảng 12 câu) phân tích giá trị thắt nút và mở nút của chi tiết nghệ thuật đặc sắc đó.

thùng 1 có 22l

thùng 2 có 20l

a) 37/10 : 0,37 = 37/10 : 37/100 = 10

b) 137/100 : 0,137 = 137/100 : 137/1000 = 10

c) 0,3 : 3/1000 = 3/10 : 3/1000 = 100

dat A(n) = n^4+6n^3+11n^2+6n va A chia het cho 24 (1) 
+) voi n = 1 => A = 24 chia het cho 24. vay (1) dung voi n = 1.(*) 
+) gia su (1) dung voi n = k tuc la A(k) = k^4+6k^3+11k^2+6k chia het cho 24 (**). 
+) gio ta phai chung minh (1) cung dung voi n = (k+1). that vay ta co: 
A(k+1) = (k+1)^4+6(k+1)^3+11(k+1)^2+6(k+1) = (k+1)[(k+1)^3+6(k+1)^2+11(k+1)+6] = 
= (k+1)(k+2)[(k+1)^2+5(k+1)+6] = (k+1)(k+2)(k+3)(k+4) 
nhan thay A(k+1) la h cua so tu nhien lien tiep=> A(k+1) chia het cho 24 (***) 
tu (*) (**) va (***) => A(n) = n^4+6n^3+11n^2+6n chia het cho 24 voi moi n thuoc N(*).