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CUTE buses: a new direction for public transport It seems like a normal bus, except that it moves almost silently, and it does not give off any exhaust fumes. Instead, a small cloud of white steam emerges from the roof. But this is no ordinary vehicle. It is part of an experiment that could...

1. Scientists have discovered that there exists water on mars. Water ________________________________________________________ 2. I think you should spend more time improving your pronunciation If _____________________________________________________________ 3. Although I made every effort, I...

1. These plants needed water and now they are dead. You ______ them regularly. A. needn't have watered B. didn't need to water C. should have watered D. must have watered 2. Along the road, ________, all covered in mud A. come a procession B. came a procession C. did come a procession D. did a...

Idolisation is becoming a popular trend among teenagers. Write a paragraph of approximately 150 words about the positive effect(s) of this trend

1, They know very well that Physical education is an important subject They are ____________________________________________________________ 2, His efforts to find a solution to the problem didn't deserve such savage criticism He shouldn't ________________________________________________________...

1. Thomas Cook, the father of modern mass tourism immediately saw the potential of a convenient '_________' holiday product in which everything was included in one cost. A. off the beaten track B. off the peg C. off the record D. off the hook 2. I want to thank ______ person who has contributed...

Read the following passage and mark the letter A, B, C. or D on your answer sheet to indicate the correct answer to each of the questions from 36 to 42. Machines already perform a lot of tasks that were usually done by humans, such as building cars, doing complex calculations, and even marking...

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 31 to 35. The concept of traffic-free shopping areas goes back a long time. During the Middle Ages, traffic-free shopping areas were built in Middle...

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the word or phrase that best fits each of the numbered blanks from 26 to 30. Imagine you are buying an apple in a supermarket. Which do you choose, one with a small brown mark or one without...

giải thích câu trả lời nữa ạ. Thanks in advance

1. He decided to leave one hour early, _____ caught in the traffic jam. A. lest he be B. less he be C. least he should be D. as he be 2. In spite of her physical disability, she has always tried to lead _______ possible A. as normal a life as B. as normal life as C. her life as normal as D. such...

hòa tan 10g hỗn hợp 2 muối XCO3 và Y2(CO3)3 bằng dd HCl dư thu đc 0,672 l khí ở đktc và dd A. Khối lg muối khan trong dd A là

Cho 1,84g hỗn hợp 2 muối ACO3 và BCO3 tác dụng hết với dd HCl thu đc 0,672 l CO2 ở đktc và dd X. Khối lg muối trong dd X là

Hòa tan hoàn toàn một hidroxit kim loại R bằng dd HCl 14,6% vừa đủ. sau phản ứng thu đc dd chứa muối clorua có nồng độ 17.03%. Công thức hidroxit của kim loại M là

It is widely believed nowadays that social knowledge and the ability to adapt in a changing society make a school-leaver succeed in getting a job. What do you think about the saying? Write an essay of around 250 words to prove your points.

Give the correct form of the word in each of the following brackets. It was not so long ago that we dealt with colleagues through face-to-face (1. INTERACT) ______ and with counterparts and customers by phone or letter. But the world of communication has undergone a dramatic transformation, not...

Some high schools require all students to wear school uniforms. Other high schools permit students to decide what to wear at school. Which of these two school policies do you think is better? In about 250 words write an essay to express your opinion, using specific reasons and examples to...

Cho 2,24 lit SO2 (đktc) vào 200 ml dung dịch NaOH 1,1M, thu được dung dịch X. Nồng độ mol của Na2SO3 thu được trong dung dịch X là A. 0,2M B. 0,3M C. 0,4M D. 0,5M

Khử 4,64 g hỗn hợp A gồm FeO, Fe3O4, Fe2O3 có số mol bằng nhau bằng CO thu được chất rắn B. Khí thoát ra sau phản ứng được dẫn vào dung dịch Ba(OH)2 dư thu được 1,97 g kết tủa. Khối lượng của chất rắn B là: A. 4,4 g B. 4,84 g C. 4,48 g D. 4,45 g

Để nhận biết dung dịch axit sunfuric và dung dịch axit clohiđric ta dùng thuốc thử: A. NaNO3. B. KCl. C. MgCl2. D. BaCl2.