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yeum2k7777
2 năm trước
hòa tan 6,36g hỗn hợp 2 muối caco3 và mgco3 vào dung dịch hcl dư sau phản ứng thu được 1,568 m 3 khí và dung dịch x cô cạn dung dịch x thì khối lượng muối khan là bao nhiêu.
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BÀI TẬP VỚI ALTHOUGH/ INSPITE OF/ DESPITE I. Change the sentences to incorporate the expressions in parentheses. 1. Despite her dislikes for coffee, she drank it to keep herself warm. (although) à……………………………………………………………………………………………………………………………………………………… 2. Mary will take a plane, even though she dislikes flying. (in spite of) à…………………………………………………………………………………………………………………………………………………….. 3. In spite of Marcy’s sadness at losing the contest, she managed to smile. (although) à…………………………………………………………………………………………………………………………………………………….. 4. We took many pictures though the sky was cloudy. (despite) à…………………………………………………………………………………………………………………………………………………….. 5. Despite her poor memory, the old woman told interesting stories to the children. (even though) à………………………………………………………………………………………………………………………………………. 6. Though he has been absent frequently, he has managed to pass the test. (in spite of) à…………………………………………………………………………………………………………………………………………………….. 7. Nancy told me the secret despite having promised not to do so. (though) à……………………………………………………………………………………………………………………………………………………… 8. We plan to buy a ticket for the drawing although we know we will not win a prize. (even though) à………………………………………………………………………………………………………………………………………. 9. In spite of the high prices, my daughters insist on going to the movies every Saturday. (even though) à……………………………………………………………………………………………………………………………………………………… 10. He ate the chocolate cake even though he is on a diet. (in spite of) à…………………………………………………………………………………………………………………………………………………….. II. Change the sentences to incorporate the expressions in parentheses. 1. Although she was busy, she managed to find the time to help me. " …………………… 2. Although the team played well, they lost. " Despite…………………………………………… 3. He had worked very hard but he failed." Hard…………………………………………… 4. I knew it was my friend, but I did not answer the door. "Even though……………………………

Bài 1. Viết chương trình: -Nhập vào sốnguyên N. -Xuất ra màn hình các sốchẵn từ1 đến N. -Xuất ra màn hình các số lẻ từ 1 đến N. Bài 2. Viết chương trình: -Nhập vào sốnguyên N.For<biến đếm>:= <giá trị bắt đầu> to<giá trị cuối> do<câu lệnh>; 2-Xuất ra màn hình tổng các số từ 1 đến N. -Xuất ra màn hình tích các sốtừ1 đến N. Bài 3. Viết chương trình: -Nhập vào sốnguyên N. -Tính tổng các số lẻ từ 1 đến N và xuất quả ra màn hình. -Thực hiện đếm xem có bao nhiêu số lẻ từ 1 đến N và xuất kết quảra màn hình. Bài 4. Viết chương trình: -Nhập vào số nguyên N. -Tính tích các sốchẵn từ1 đến N và xuất kết quảra màn hình. -Thực hiện đếm xem có bao nhiêu số chẵn từ 1 đến N và xuất kết quả ra màn hình.

TEST 2 I. Find the words which has a different sound in the part underline. 1. A. wanted B. filled C. stayed D. played 2. A. ahead B. instead C. seat-belt D. bread 3. A. left B. center C. enter D. frighten 4. A. wanted B. excited C. stayed D. visited 5. A. send B. ten C. lend D. the II: Choose the correct option A, B, C or D to complete the sentences. 1. Nuclear energy can provide electricity for the world needs, but it is __________ A. cheap B. unlimited C. dangerous D. safe 2. You can ___________easily on the Dead Sea. Why? – Because it’s so salty A. fly B. walk C. drive D. float 3. Biogas helps solve the problem of indoor ___________. A. noise pollution B. air pollution C. water pollution D. soil pollution 4. In the future most people will travel __________ flying train. A. in B. to C. on D. at 5. Do you think we __________ driverless car in the future? A. use B. to use C. will use D. have used 6. That picture is __________ A. us B. ours C. our D. we 7. ___________ is a single-wheel bike. A. Monowheel B. Hover scooter C. Segwey D. Teleporter 8. Solar energy __________ by many countries in the world in the future. A. use B. will use C. will be using D. will be used 9. __________ is a renewable sourse. A. Coal B. Oil C. Wind D. Gas 10. You can wear a __________ on your back to fly anywhere easily in the future. A. jet pack B. flying car C. teleporter D.high-speed bicycle 11. The city is facing serious ____________ problems. A. polluted B. polluting C. pollute D. pollution 12. “Hi, Bill. Congratulations!” “___________.” A. I’m sorry B. Thank you C. My pleasure D. You’re welcome. 13. Peter never goes to school late, .................. he? A. does B. did C. doesn’t D. didn’t 14. The actress arrived __________ a helicopter. A. on B. in C. with D. by III: Read the passage and tick () True or False. Energy is one of the problems that many people are interested in. It is not an unfamiliar word. It is heard, said, discussed day after day. It is close to everyone’s daily life. You turn on a lamp and it is energy that gives you light. You turn on a TV and it is energy that gives you pictures and sound. You ride a motorcycle and it is energy that gives you movement. You cook your meals and it is energy that gives you heat to boil rice. The problem is that the demand for energy is rising and that the price of energy is getting higher and higher. The supply of energy on earth is limited. It can not provide us forever. The shortage of energy in the future is inevitable. Therefore, saving energy is a must if we want to continue to live in a safe and sound world. ( familiar: thân thuộc/ demand: nhu cầu/ inevitable: chắc chắn xảy ra) True or False? True False 1. Many people aren’t interested in the problems of energy 2. The word “energy” is familiar and close to everyone’s daily life. 3. Energy is heard, said, discussed day after day. 4. We can’t watch TV without energy. 5. The supply of energy on earth is unlimited. It can provide us forever. 6. If we want to continue to live in a safe and sound world, we have to save energy IV.Rewrite the sentences so that they have the same meaning as the original ones. 1. We planned to visit Petronas in the afternoon. We could not afford the fee.(however) 2. We live in the same street. We rarely see each other. (in spite of) 3. I’ve been too busy to answer by email. I’ll do it soon. (nevertheless) 4. We will use renewable energy in the future=> Renewable energy ……………………… 5. This is our school=> This school is …………………………………………….… 6.Did you often go to the beach when you lived in Nha Trang? =>Did you use .............. ? 7. Tam doesn’t type as fast as she used to. =>Tam used …………………………….. V. Complete the sentences with the correct form of the adjectives in brackets. 1. I was very __ in the lesson because our teacher is very____ in history. (interest) 2. My friend is a very ____ sort of person but he hates doing__ activities. (relax) 3. Studying for exams is very ___ I get __ when I open my school books. (tire) 4. We were all very ____ about the school trip but it wasn’t an____ trip at all. (excite) 5. It’s a _____ book and I’m ____ every time I start reading it (bore)

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