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Estimated to be about 15,000 years old, it is a relative baby compared with Earth’s other very large lakes, (22) more than two million years old A. are     B. which can be       C. they are 
9 1 tháng trước

Located in central Africa, Lake Victoria is a very unusual lake. (21) of the largest lakes in the world; it is also one of the youngest A. Not only is it one  B. One is it only not  C. Is it
10 1 tháng trước

Hand gestures can mean a person is (20) in theconversation. A. interest     B. interested        C. interestingly     D. interesting
10 1 tháng trước

A person (19) doesn’t look away is expressing a challenge A. whom     B. who     C. whose  D. which
9 1 tháng trước

If your posture is slumped and your head is down, this could mean that you are sad or youlack (18). A. confidence   B. confide   C. confiding    D. confident
9 1 tháng trước

Because body language is so important, you’ll want (17) what yours is saying and how to interpret other people’s, too A. know       B. knowing     C. to knowing  D. to know
9 1 tháng trước

We can communicate not only through words (16) through body language. A. but also    B. and also   C. but so      D. and so
9 1 tháng trước

Ecologists are working with companies and governments to find better ways of (15) fish, cutting down trees, and building dams. A. catching       B. holding      C. carrying     D. taking
9 1 tháng trước

Building dams on rivers for electric power and irrigation can harm ecosystems (14) the rivers. A. on     B. around    C. over   D. under
10 1 tháng trước

Heat from a forest fire melts the seal and lets the seeds (13). A. out    B. in    C. go        D. fly
10 1 tháng trước

If a kind of plant dies off, the animals(12) feed on it may also die or move away. A. who   B. where    C. that  D. when
10 1 tháng trước

Some changes (11) ecosystems A. harms    B. harmful  C. harmless    D. harm
11 1 tháng trước

Kindergarteners should (10) the ABCs A. read       B. remember       C. recognize     D. pronounce
10 1 tháng trước

(9) the child at about thirty months is not developing normal language skills, something is amiss A. If     B. When    C. Although    D. Because
8 1 tháng trước

Considered an "invisible" (8) ),  such  learning disabilities  can  be detected by alert parents before the children go to school A. barrier     B. retard       C. disabled  D. handicap
10 1 tháng trước

and auditory-memory problem that (7) the  child from  remembering what has just been said. A. avoid    B. help       C. encourage  D. prevent
10 1 tháng trước

Children (6) appear intelligent and have normal sight and hearing may nevertheless have learning disability such as dyslexia, difficulty in reading dysgraphia, difficulty in writing; dyscalcu
9 1 tháng trước

Manufactures know that wastes from factories make water and soil polluted, but they do not want to spend a lot of their money on (5) the wastes safely. A. solving     B. dealing    C. proces
12 1 tháng trước

Actually, it is man (4) is destroying the surroundings with many kinds of wastes from the devices that makes human live more comfortable and convenient A. that   B. which     C. whom     D.

8 1 tháng trước

People all over the world are worried (3) things that are happening to the environment. A. with     B. about      C. of     D. by
11 1 tháng trước

The world today is faced with many (2) threats. A. chief     B. significant      C. major    D. main
9 1 tháng trước

They lived healthily, drank (1) water and breathed fresh air. A. fresh     B. pure     C. clean   D. boiled
8 1 tháng trước

This insight is supported by research, (49) has found little academic benefit in childhood for any (50) than brief sessions of homework until around high school A. more  B. sooner     C. ot
10 1 tháng trước

This insight is supported by research, (49) has found little academic benefit in childhood for any (50) than brief sessions of homework until around high school A. what     B. who       C. t
10 1 tháng trước

Educators and parents here believe that these breaks are a powerful engine of learning that improves almost all the “metrics” that (48) most for children in school – executive function, conce
10 1 tháng trước

and, amazingly, as many as for outdoor free-play breaks per day, each (47) 15 minutes between classes, no matter how cold or wet the weather is. A. spending      B. taking C. lasting       

10 1 tháng trước

Children (46) this and other Finland public schools are given not only basic subject instruction in maths, language and science, but learning-through-play-based preschools and kindergartens,

11 1 tháng trước

Queues are generally respected; especially in crowded train and subway stations (45) the huge volume of people causes touching and pushing. A. where       B. which     C. when   D. that
10 1 tháng trước

especially when greeting someone (44) when addressing a group of people A. or     B. either     C. but      D. nor
11 1 tháng trước

It is rude to stand (43) your hand or hands in your pockets A. about     B. with      C. for       D. upon
11 1 tháng trước

Prolonged direct eye contact is considered to be (42) or even intimidating. A. impolitely      B. impoliteness   C. politely  D. impolite
11 1 tháng trước

Meanwhile, to  (41) respect for their customs, it would flatter them to offer a slight bow when being introducded A. show       B. draw    C. pay     D. point
11 1 tháng trước

Surprisingly, Everyone was in a good (40) at the end of the 90 days. A. attitude     B. spirit    C. feeling    D. mood
8 1 tháng trước

That's even tougher than it sounds, especially when you (39) that no visitors were permitted. A. reckon      B. realise     C. regard      D. remark
8 1 tháng trước

Lying in a horizontal position was the best way of (38) weightlessness. A. simulated      B. simulate          C. to simulate     D. simulating*
8 1 tháng trước

That was the task that faced 14 volunteers when they started out on a bed-rest experiment being conducted (37) the European Space Agency. A. by    B. on   C. for    D. about
7 1 tháng trước

Could you stand the boredom and the frustration of not being (36) to get up? A. enabled    B. allowed           C. granted      D. approved
7 1 tháng trước

Colleagues normally use the family names, and title - for example 'Doctor' or 'Professor', so you shouldn't use first names (35) a person asks you to. A. if only     B. as       C. unless  

9 1 tháng trước

If you give a presentation, you should focus (34) facts and technical information and the quality of your company's products A. on    B. to     C. at   D. in
10 1 tháng trước

At meeting, it's important to follow the agenda and not interrupt (33) speaker. A. other    B. others      C. another D. the other
8 1 tháng trước

They don't like·interruptions or  (32) changes of schedule A. sudden    B. suddenly     C. abruptly   D. promptly
9 1 tháng trước

They don't mix work and play so you shouldn't make  jokes  (31) you  do in the UK and USA when you first meet people. A. while     B. as if     C. such as    D. as
9 1 tháng trước

Expressive leadership, on the other hand, is leadership (30) emphasizes the collective well-being of a social group’s members. A. which        B. who C. what           D. those
7 1 tháng trước

Furthermore, although it is commonly supposed that social groups have a single leader, research suggests that there are (29) two different leadership roles that are held by different individu
9 1 tháng trước

It seems that there is no set of personal qualities that all leaders have (28) common; rather, virtually any person may be recognized as a leader if the person has qualities that meet the nee
7 1 tháng trước

(27) of the common belief that leaders are people with unusual personal ability, decades of research have failed to produce consistent evidence that there is any category of “natural leaders”
7 1 tháng trước

In other cases, such as friendship groups, one or more persons may gradually (26) as leaders, although there is no formal process of selection A. happen    B. show C. emerge     D. occur
7 1 tháng trước

People may find the transitory quality of much American life odd, for example, one (25) rent art by the week or the entire furnishings of an apartment, from sofa and bed to the last spoon, on
8 1 tháng trước

At (23), for example, some foreign women may be startled at the idea of (24) their hair cut or styled by men. A. showing   B. giving     C. taking      D. having
8 1 tháng trước

At (23), for example, some foreign women may be startled at the idea of (24) their hair cut or styled by men A. first      B. all       C. last      D. least
7 1 tháng trước

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