A chronic lack of sleep may make us irritable and reduces our motivation to work.OPPOSITE

A.   uncomfortable            B.   responsive                  C.   calm                           D. miserable

The distinction between schooling and education implied by this remark is important.OPPOSITE

A.   explicit                 B.   implicit                 C.   obscure                 D. odd

During the five- decade history the Asian Games have been advancing in all aspects.OPPOSITE

The politician’s conviction for tax fraud jeopardized his future in public life.CLOSEST

A mediocre student who gets low grades will have trouble getting into an Ivy League college.CLOSEST

A.    average                B.   lazy           C.   moronic                D. diligent

If we had taken his sage advice, we wouldn’t be in so much trouble now.CLOSEST

A.   willing      B.   sturdy       C.   wise          D. eager

Fruit and vegetables grew in abundance on the island. The islanders even exported the surplus.OPPOSITE

Cho tam giác nhọn ABC (AC > AB). Vẽ đường cao AH. Gọi E, F lần lượt là hình chiếu của H lên AB, AC

There is growing concern about the way man has destroyed the environment.OPPOSITE

A.   ease      B.   attraction      C.   consideration        D. speculation

Hai khe rất hẹp song song với nhau cách nhau một khoảng d=0,85 mm được chiếu sáng bởi chùm sáng đơn sắc, song song bước sóng =600nm. Màn quan sát được đặt song song với mặt phẳng chứa 2 khe và cách mặt phẳng đó một khoảng D= 2,8m.

a) hiệu pha giữa hai sóng ánh sáng phát ra từ hai khe, giao thoa với nhau tại một điểm nằm cách tâm của vân sáng chính giữa một khoảng y=2,5mm.

 He was so insubordinate that he lost his job within a week.OPPOSITE

A.   fresh B.   disobedient C.   obedient D. understanding

She had a cozy little apartment in Boston.OPPOSITE

A.   uncomfortable B.   warm C. lazy D. dirty

The augmentation in the population has created a fuel shortage.CLOSEST

A.   increase B. necessity C.   demand D. decrease

In 1952, Akihito was officially proclaimed heir to the Japanese throne. CLOSEST

 When their rent increased from 200 to 400 a month, they protested against such a tremendous

increase. CLOSEST

A.   light B.   huge C. tiring D. difficult

The last week of classes is always very busy because students are taking examinations, making applications to the University, and extending their visas. CLOSEST

A.   hectic B.   eccentric  C.   fanatic D. prolific

We decided to pay for the furniture on the installment plan. CLOSEST

A.  monthly payment B.  cash and carry C.  credit  card D. piece by piece

During the Great Depression, there were many wanderers who traveled on the railroads and camped along the tracks. CLOSEST

A.   veterans B.   tyros C.   vagabonds D. zealots

This tapestry has a very complicated pattern. CLOSEST

A.   obsolete B.   intricate C.   ultimate D. appropriate

 Let's wait here for her; I'm sure she'll turn up before long. CLOSEST

 With the dawn of space exploration, the notion that atmospheric conditions on Earth may be unique in the solar system was strengthened. CLOSEST

A.   outcome   B.   continuation C.   beginning D. expansion

Roget's Thesaurus, a collection of English words and phrases, was originally arranged by the ideas they express rather than by alphabetical order. CLOSEST

A. restricted B.  as well as C.   unless D.  instead of

 There has been no discernible improvement in the noise levels since lorries were banned. OPPOSITE

In remote communities, it's important to replenish stocks before the winter sets in. OPPOSITE

She is always diplomatic when she deals with angry students. CLOSEST

A.   strict B.   outspoken C.   firm D. tactful

Around 150 B.C. the Greek astronomer Hipparchus developed a system to classify stars according to brightness. CLOSEST

 Tourists today flock  to see the two falls that actually constitute Niagara falls. CLOSEST

come without knowing what they will see

come in large numbers

come out of boredom

come by plane

 The US troops are using much more sophisticated weapons in the Far East. OPPOSITE

A.   expensive B.   complicated C. simple and easy  to use D. difficult to operate

  The International Organizations are going to be in a temporary way in the country. OPPOSITE

Ralph Nader was the most prominent leader of the U.S consumer protection movement. CLOSEST

 He didn't bat an eyelid when he realized he failed the exam again. CLOSESTA.  wasn't  happy B.  didn't  want to see C.  didn't show surprise D. didn't care

The shop assistant was totally bewildered by the customer's behavior. CLOSEST

A.   disgusted B.   puzzled C.   angry D. upset

Though many scientific breakthroughs have resulted from mishaps it has taken brilliant thinkers to recognize their potential. CLOSEST

A.   accidents B.   misunderstandings C.   incidentals D. misfortunes

Carpets from countries such as Persia and Afghanistan often fetch high prices in the United States. CLOSEST

A.   Artifacts B.   Pottery C.   Rugs D. Textiles

 I could see the finish line and thought I was home and dry. CLOSEST

A.   hopeless   B.   hopeful C.   successful D. unsuccessful

I clearly remember talking to him in a chance meeting last summer. OPPOSITE

The government is not prepared to tolerate this situation any longer. OPPOSITE

√3tan (x-π/6)-3=0

√3cot (2x+π/6)+3=0