Bài 1: Viết các tập hợp sau bằng cách chỉ ra tính chất đặc trưng của các phần tử tập hợp đó: a) F = {100; 101; 102;….; 999} b)E = {5;6;7;8;9;10} c) A={0;1;2;3;4;5} d) C = {7;8;9}

Bài 2.Một công ty viễn thông A cung cấp dịch vụ truyền hình cáp với mức phí ban đầu là 300 000 đồng và mỗi tháng phải đóng 150 000 đồng. Công ty viễn thông B cũng cung cấp dịch vụ truyền hình cáp nhưng không tính phí ban đầu và mỗi tháng khách hàng sẽ phải đóng 200 000 đồng. a) Gọi T (đồng) là số tiền khách hàng phải trả cho mỗi công ty viễn thông trong t (tháng) sử dụng dịch vụ truyền hình cáp. Khi đó hãy lập hàm số T theo t đối với mỗi công ty. b) Khách hàng cần sử dụng dịch vụ truyền hình cáp trên mấy tháng thì đăng kí bên công ty viễn thông A sẽ tiết kiệm chi phí hơn?

IV. Choose the best answer: 1. ________ having the best qualifications among all the applicants, Justin was not offered the job. A. Although B. While C. In spite of D. Despite of 2. ________ the internet is very popular, many older people do not know how to use it. A. However B. Nevertheless C. Even though D. Despite 3. _________ he wasn’t feeling very well, David was determined to take part in the inter-university athletics meet. A. Although B. While C. Where as D. yet 4. __________ what Megan prepared for the job interview, she didn’t pass it. A. Despite of B. In spite of C. Though D. However 5. Bruce was not praised_________ he was a hard worker. A. despite B. in spite of C. although D. no matter how 6. It looks like they are going to succeed_________ their present difficulties. A. despite B. although C. in spite D. even though 7. Mary usually goes to parties. She likes meeting people and crowded places ________she is rather shy. A. In spite of B. Even though C. On the contrary D. In other words 8. Ann: Have you decided to get the job? Terry: Yes, I’ve just decided. I’ll accept that job_________ it is not suitable with my major. It is not an interesting job, ________ the salary is very good. A. although / but B. despite / and C. but / though D. yet / however 9. ________, he has continued to work on his thesis. A. Although all these problems B. Even though there are problems C. Despite of all these problems D. In spite of there are problems 10. In spite of ____________, he was determined to finish his work. A. was seriously ill. B. be seriously ill C. his serious illness D. he was seriously ill

đặt câu với các từ a lot of , lots of , plenty of

Giúp em với ạ em cần ngày bây giờ ai làm giúp em em vote 5 sao ạ

Why didn't you tell the truth she asked me chuyển sang câu hỏi tường thuật

III/ Rewrite these sentences 1. He was late for school because his bike was broken.  ……………………………………….because of ………………………………… 2. Although he runs very fast, he isn’t tired.  Despite ……………………………………………………………………………. 3. Most people think jogging is a good exercise, so they begin to jog.  Because ..................................................................................................................... 4. The air in the country is polluted, but people like to live there.  .......................................................... though ............................................................. 5. Computers can be used for various purposes, so they become very popular today.  Because of ................................................................................................................ 6. If you passed the exam, your parents would be very happy.  ……………………………………….. because …………………………………… 7. Because of the hot weather, we go to the beach.  If …………………………………………………………………………………… 8. Tom understands the lesson. However, he couldn’t apply in the exercises.  ………………………………….. although ……………………………………….. 9. They played very well. Therefore, they won the game.  Because …………………………………………………………………………… 10. The suitcase is too heavy for Tom to bring.  ………………………………………. because ………………………………….

đặt câu với các từ a few , few, no , none of , none

II/ Choose the underlined part among A, B, C, or D that needs correcting: 31. My friends advised her to stop doing the housework because her old age. A B C D 32. Because the invention of machines such as vacuum cleaners, washing machines, A B women spend less time doing the housework. C D 33. John didn’t go to work because of he was seriously ill. A B C D 34. In spite of my father is old, he still goes to work. A B C D 35. Peter succeeded in his exam because of he worked hard and methodically. A B C D 36. Rice plants grow well because the climate is warmly and damp. A B C D 37. The plane couldn’t take off because the bad weather. A B C D 38. He couldn’t drive fast owing to the street was crowded and narrow. A B C D

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