Đáp án:
Giải thích các bước giải:
5x-3>9x-88
⇔5x-9x>3-88
⇔-4x>-85
⇔x<$\frac{85}{4}$
Vậy S={x∈R/x<$\frac{85}{4}$}
Đáp án: `x < 85/4`
`5x-3>9x-88`
`<=> 5x-9x > -88+3`
`<=> -4x > -85`
`<=> x < (-85)/(-4)`
`<=> x < 85/4`
III. Read the following text and use the words given in the box to fill in the blanks. or for more architecture before and These by English art and architecture, the distinctive national art and (1) __________ that art may be said to have evolved in the 12th century with the Norman style. Building (2) _________ that time was in what is commonly called the Saxon (3) ________ Anglo-Saxon style, which combined Roman (4) ________ Celtic features, it is represented (5) __________ sparse remains of monasteries, churches, and cathedral crypts, notable (6) __________ the use of long-and-short ashlar stonework (7) _________ churches were small, relatively simple structures, having one or (8) ________ towers and one or three aisles, with wooden or stone roofing.
Read the text below and write one word in each blank to complete it: Many people use solar (1)............ to generate electricity. This method (2)............... a good way for our house. Users can save a lot of money from this way.We will (3)................. our natural resources.Nowadays, more material bags (4)............... also used than plastic (5).................. Giúp mình với nhé.Cảm ơn trước :))))
Reading 8: Sociologists have been carrying out research into the social pressures of being a teenager. Many adolescents are unhappy at school because they find it difficult to (1) ___ friends. This stress can bring on illness or result in poor grades. They may also worry about their appearance and often feel (2) ___ enormous pressure to dress, talk and behave the same as (3) ___. This phenomenon is called peer pressure, and it is very common in today’s society. Advertising contributes a lot to the social pressures teenagers feel. Advertisers know how important it is to feel that you belong to a group when you are in your teens, so they try to persuade teenagers that certain products will make them (4) ___ with their classmates. Sadly, many teenagers act irresponsibly and even do dangerous things just to make others accept them. Peer pressure is often the reason for teenage smoking, drug (5) ___ or dangerous driving. Teenagers need to learn to say “no” to social pressure and to find friends who they can talk things over with when they have a problem. 1. A. keep B. create C. remain D. make 2. A. in B. under C. over D. below 3. A. another B. the other C. others D. other 4. A. common B. popular C. open D. favorite 5. A. overdose B. abuse C. addicted D. overuse
viết lại câu sau she sings beautifully =>she is... we run fast =>we are...
Reading 7: Pollution We are slowly (1) ____ the earth. The seas and rivers are too dirty to swim in. There is so much smoke in the air that is unhealthy to live in many of the world’s cities. In one well-known city, for example, (2) ____ gases from cars pollute the air so much that traffic policemen have to wear oxygen marks. We have cut (3) ____ so many trees that are now vast areas of wasteland all over the world. As a result, farmers in some parts of America can’t grow enough to eat. In certain countries in Asia, there is too little rice. (4) ____, we do not take enough care of the countryside. Wild animals are quickly disappearing. For distance, tigers are rare in India now because we have killed too many for them to survive. We must act now before it is too (5) ____ to do anything. Join us now. Save the earth. It is too important to ignore. 1. A. destroying B. destroy C. to destroy D. destroyed 2. A. poisoned B. poison C. poisonously D. poisonous 3. A. off B. into C. up D. down 4. A. Moreover B. Despite C. Although D. Because 5. A. later B. latest C. lately D. late
Mình đang cần gấp giải giúp mình với ạ
giải giúp e bài này vs mng. em cảm ơn
Câu 2 và câu 3 làm giúp mình với ạ
Reading 6: Since the world has become industrialized, there has been increase in the number of animal (1) ____ that have become extinct or nearly extinct. Bengal tigers, (2) ____were once found in large number in jungles, now are thought to be only 2,300 in number. By the year 2025 their (3) ____ in the world is estimated to be down to zero. “The dangerous thing is that people don’t hunt them for money but mainly (4) ____ they enjoy hunting them. Animals like the Bengal tiger, as well as other endangered species are very important to the world’s ecosystem. International laws protecting these animals must be passed to save them. Countries around the world have begun to solve the problem in many ways. Reserves and national parks have been established. Money provided by world organizations has been spent on maintaining the parks. The use of products made them from (5) ____ species has been stopped. 1. A. kinds B. types C. families D. species 2. A. whose B. which C. that D. who 3. A. population B. amount C. quantity D. diversity 4. A. for B. therefore C. because D. so 5. A. dangerous B. danger C. endangered D. endanger
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