Bạn chưa đăng nhập. Vui lòng đăng nhập để hỏi bài
Dương Lee

CMR:\(\dfrac{n+1}{2n+3}\)là phân số tối giản với mọi số tự nhiên n

Van Toan
5 tháng 8 2022 lúc 20:18
1_______ they are brothers, they do not look alike.A. Although B. Even C. Despite D. In spite of2. We are going to have a picnic _____________ the bad weather.A. because B. despite C. although D. because of3. My father still goes jogging ________  he is old.A. in spite B. Because C. So that D. Despite the fact that4. I could not eat _______ I was very hungry.A. even though B. in spite of C. despite D. despite of5. _______, he walked to the station.A. Despite of being tired B. Although to be tiredC. In spite of being tired D. Despite tired6. I gave up the job ________ the attractive salary.A. because B. because of C. although D. despite7. I try to do my homework ___________ the noise.A. because of B. although C. despite of D. in spite of8_________ all my warnings, he tried to fix the computer himself.A. Despite of B. Because of C. In spite of D. Although9. Although the sun was shining, __________.       A. it wasn’t very hot                                 B. it was very hot              C. yet it was very hot                                D. but it was very hot10. Julie failed the exam _______ of working very hard.A. despite B. in spite C. even if D. though11. Despite _______, we arrived on time.A. the heavy traffic B. of the trafficC. there was heavy traffic D. of there was heavy traffic12. Though _______, they are good friends.A. their sometimes quarrel B. to have a quarrel sometimesC. they sometimes have a quarrel D. of having a quarrel sometimes13.Despite the fact that _______, we enjoyed our trip.A. the weather is bad B. it is a bad weatherC. the bad weather D. the weather was bad14. _____________, he could not finish the job.A. As hard as he work B. Despite he worked hardC. Though he worked hard D. Although hard work15. Our new neighbors are quite nice _______ they are sometimes talkative.A. despite B. in spite of C. even though D. as though16 ________, he has continued to work on his thesis.A. Although all these problems B. Even though there are problemsC. Despite of all these problems D. In spite of there are problems17. In spite of ____________, he was determined to finish his work.A. was seriously ill. B. be seriously illC. his serious illness D. he was seriously ill18. __________ what Megan prepared for the job interview, she didn’t pass it.A. Despite of B. In spite of C. Though D. However19.Tom went to work despite _______.A. that he did not feel very well B. of the fact not feeling wellC. he did not feel very well D. not feeling very well20. ____ rain or snow, there are always more than fifty thousand fans at the football games.A. Despite B. Although C. Despite of D. ThoughChoose the underlined part among A, B, C or D that needs correcting.21.Although our grandfather was old but he could help us.   A            B        C            D22. Despite of his smiling face, the second place contestant is sadder than the winner.A B         C                   D23. In spite her severe pain, she tried to walk to the auditorium to attend the lecture.A               B                                C                D24. He decided  to get that job in spite of the salary was low.A B    C     D24.She always behaves childishly despite she has grown up.     A     B      C       DChoose the sentence which has the closest meaning to the original one.26. He was very tired but he kept on working. A. Despite he was very tired, he kept on working.B. In spite of he was very tired, he kept on working.C. Though his tiredness, he kept on working. D. Although he was very tired, he kept on working.27. Although his leg was hurt, he managed to drive a car.A. His leg was hurt, so he managed to drive a car. B. his leg was hurt.  But he managed to drive a car. C. Despite his hurt leg, he managed to drive a car.D. In spite of the fact that his hurt leg, he managed to drive a car.28.We stayed in that hotel despite the noise.      A. Despite the hotel is noisy, we stayed there.      B. We stayed in the noisy hotel and we liked it.      C. Although the hotel was noisy, we stayed there.     D. Because of the noise, we stayed in the hotel.29. Young as he is, he has a big fortune.    A. Although he is young, he has a big fortune.   B. He has a big fortune because he is young.    C. He is not only young but also has a big fortune.    D. When he is young, he has a big fortune.30. Although she was very old, she looked very grateful. A. Despite she was very old, she looked very grateful. B. Despite her old age, she looked very grateful.C. In spite of very old, she looked very grateful. D. In spite her being old, she looked very grateful.I. Use because or because of to complete the following sentences1.We stopped playing football ……. the rain.    2. It was all …….. him that they got into trouble.3.They had to hurry indoors …… it was raining.4.She is late ……. the traffic.5.We didn’t arrive until six o’clock …….. the traffic was terrible.6.He found the exam easy …….. he had worked hard during the course.7.She can’t drive …….. her illness.8.This restaurant closed down …….. the recession.9.He found working in France very difficult ……… the language problem.10.She’s very difficult to understand ……… her accent. II. Rewrite sentences1.Because I studied hard, I passed the exam.=> Because of ________________________.2.Because Hoa was rich, she could buy that house.=> Because of _____________________________.3.Although he has a physical handicap, he has become a successful business man.=> Despite ________________________________________________________.4.His father asked him to go stay at home because he was sick.=> Because of ______________________________________.5.She failed the University entrance exam because her grades were bad.=> Because of _____________________________________________.6.Because there was an accident, I was late.=> Because of _______________________.7.Because the rain was so heavy, I couldn’t go to school.=> Because of _________________________________.8.Because of the cheap price, my wife insists on buying the Tivi.=> Because __________________________________________.9.Although it was raining heavily, we still went to school.=> Despite / In spite of ____________________.10.Although Nam is not an intelligent student, he can learn very fast.=> Despite / In spite of ______________________________________.
Van Toan
5 tháng 8 2022 lúc 20:24

Để n+12n+3n+12n+3đó tối giản  ( đpcm )

Van Toan
5 tháng 8 2022 lúc 20:24

đây mới phải

 

Van Toan
5 tháng 8 2022 lúc 20:25

chép đầy đủ và cho tôi đúng nhé

 


Các câu hỏi tương tự
anh thơ nguyễn lê
Xem chi tiết
Nguyễn Thị Huyền
Xem chi tiết
Trần Duy Vương
Xem chi tiết
Trần Duy Vương
Xem chi tiết
Lưu Minh Trí
Xem chi tiết
lyli
Xem chi tiết
vuonglinhphuong
Xem chi tiết
V BTS
Xem chi tiết
Nguyễn Đặng Phương Anh
Xem chi tiết
Phùng Gia Bảo
Xem chi tiết