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22 tháng 3 2021

viết thêm đoạn nữa đi

mình nghiện bài này rùi

23 tháng 3 2021

thanks

mấy bài này ở lớp cô giáo mở cho nghe rùi

Dễ thấy P là điểm chính giữa \widebatEF\widebatEF nên D,N,P thẳng hàng

Cần chứng minh ˆIMC=ˆPDCIMC^=PDC^

Ta có : ˆIMC=ˆMIB+ˆB1=12ˆBIC+ˆB1=12(180oˆB1ˆC1)+ˆB

19 tháng 3 2021

I. Nội qui tham gia "Giúp tôi giải toán"

1. Không đưa câu hỏi linh tinh lên diễn đàn, chỉ đưa các bài mà mình không giải được hoặc các câu hỏi hay lên diễn đàn;

2. Không trả lời linh tinh, không phù hợp với nội dung câu hỏi trên diễn đàn.

3. Không "Đúng" vào các câu trả lời linh tinh nhằm gian lận điểm hỏi đáp.

Các bạn vi phạm 3 điều trên sẽ bị giáo viên của Online Math trừ hết điểm hỏi đáp, có thể bị khóa tài khoản hoặc bị cấm vĩnh viễn không đăng nhập vào trang web.

19 tháng 3 2021

thiên bình

20 tháng 3 2021

bạn cần giải bài mấy , hay là tất cả ? 

OPTIONAL LESSON 25Relative clause replaced by participle and infinitive Exercise 1. Choose the best answer.1. The woman _______next door is a famous singer .A. lives B. who live C. living D. that living2. The house ______ in the storm has now been rebuilt .A. destroyed B. destroying C. which destroyed D. that is destroyed3. The man ______ at the blackboard is our teacher .A. stood B. stands C. standing D. to stand4. Tom was the last ______the classroom yesterday .A. to leave B. leaving C. left...
Đọc tiếp

OPTIONAL LESSON 25

Relative clause replaced by participle and infinitive

 

Exercise 1. Choose the best answer.

1. The woman _______next door is a famous singer .

A. lives B. who live C. living D. that living

2. The house ______ in the storm has now been rebuilt .

A. destroyed B. destroying C. which destroyed D. that is destroyed

3. The man ______ at the blackboard is our teacher .

A. stood B. stands C. standing D. to stand

4. Tom was the last ______the classroom yesterday .

A. to leave B. leaving C. left D. leaves

5. Linda was the last student ______ at the oral exam .

A. to be asked B. asking C. asks D. to ask

6. The bridge _____ by French architects is very nice.

A. was designed B. designing C. to design D. designed

7. The man is my teacher . I am grateful to him .

A. The man whom I grateful to him is my teacher . C. The man is my teacher who I am grateful .

B. The man whom I am grateful to is my teacher D. The man to him I am grateful is my teacher .

8. Ngoc is friendly . We are talking about her .

A. Ngoc , we are talking about , is friendly . C. Ngoc , about her we are talking , is friendly .

B. Ngoc, whom we are talking about is friendly D. Ngoc , about whom we are talking, is friendly

9. A pilot is a person who flies an aircraft .

A. A person who called a pilot flies an aircraft . B. A person that flies an aircraft is called a pilot .

C. A pilot is someone who flies an aircraft . D. Both B and C are correct .

10. Sunday is the day _______which we usually go fishing .

A. during B. at C. in D. on

11. The music ______ we listened last night was boring .

A. to which B. which to C. to that D. that

12. The man ______ I introduced you to last night is thoughtful .

A. whom B. that C. Ø D. all are correct

13. She couldn’t answer any question , _______made me surprised.

A. that B. it C. this D. which

14. The books _______ written by Jack London is very interesting .

A. which were B. were C. whose D. which

15. I am going to visit the town _____ I was born and grew up .

A. where B. which C. when D. who

16. This is Mary , ____ is taking over my job when I leave .

A. that B. which C. who D. whom

17. An architect is someone _____ designs buildings .

A. who B. that C. which D. it

18. That is the house in ______I used to live .

A. that B. which C. where D. there

19. The man _______ is my teacher .

A. who she is speaking to B. whom she is speaking with

C. to whom she is speaking D. to whom she is speaking with

20. I apologized to the boy ______ book I borrowed .

A. which B. who C. whom D. whose

2

Exercise 1. Choose the best answer.

1. The woman _______next door is a famous singer .

A. lives B. who live C. living D. that living

2. The house ______ in the storm has now been rebuilt .

A. destroyed B. destroying C. which destroyed D. that is destroyed

3. The man ______ at the blackboard is our teacher .

A. stood B. stands C. standing D. to stand

4. Tom was the last ______the classroom yesterday .

A. to leave B. leaving C. left D. leaves

5. Linda was the last student ______ at the oral exam .

A. to be asked B. asking C. asks D. to ask

6. The bridge _____ by French architects is very nice.

A. was designed B. designing C. to design D. designed

7. The man is my teacher . I am grateful to him .

A. The man whom I grateful to him is my teacher . C. The man is my teacher who I am grateful .

B. The man whom I am grateful to is my teacher D. The man to him I am grateful is my teacher .

8. Ngoc is friendly . We are talking about her .

A. Ngoc , we are talking about , is friendly . C. Ngoc , about her we are talking , is friendly .

B. Ngoc, whom we are talking about is friendly D. Ngoc , about whom we are talking, is friendly

9. A pilot is a person who flies an aircraft .

A. A person who called a pilot flies an aircraft . B. A person that flies an aircraft is called a pilot .

C. A pilot is someone who flies an aircraft . D. Both B and C are correct .

10. Sunday is the day _______which we usually go fishing .

A. during B. at C. in D. on

11. The music ______ we listened last night was boring .

A. to which B. which to C. to that D. that

12. The man ______ I introduced you to last night is thoughtful .

A. whom B. that C. Ø D. all are correct

13. She couldn’t answer any question , _______made me surprised.

A. that B. it C. this D. which

14. The books _______ written by Jack London is very interesting .

A. which were B. were C. whose D. which

15. I am going to visit the town _____ I was born and grew up .

A. where B. which C. when D. who

16. This is Mary , ____ is taking over my job when I leave .

A. that B. which C. who D. whom

17. An architect is someone _____ designs buildings .

A. who B. that C. which D. it

18. That is the house in ______I used to live .

A. that B. which C. where D. there

19. The man _______ is my teacher .

A. who she is speaking to B. whom she is speaking with

C. to whom she is speaking D. to whom she is speaking with

20. I apologized to the boy ______ book I borrowed .

A. which B. who C. whom D. whose