Cho hình vẽ: a song song với b; C1^ - C2^ = 40°. Tính D2^ và D1^?

Bạn nào thương tình giúp mình dc ko ạ còn bấy nhiêu điểm thôi 12. “Don’t make noise in class”, the teacher said to his students. (TOLD) --> S1 + told S2 not to V........ 13. If someone doesn't put the coal in, the fire will go out. (UNLESS) 14. The girl is very friendly. She lived next door to us. (WHO) 15. He doesn't have a computer now. (WISHES) 16. It's 3 years since I last saw Nam. (SEEN) 17. It was a two-hour flight from Hanoi to Ho Chi Minh City. (TOOK) 18. We last saw our grandfather five months ago. (HAVEN’T) 19. “Where do your parents live now?” said Nam to me. (ASKED) 20. Spending our weekend in the countryside is very interesting. (IT’S) 21. Have you ever spoken to the people? They live next door. (WHO) 22. Jane can play the piano better than Bella. (WELL)

Tính tổng : S= 1 + 3 + 3 mũ 2 + 3 mũ 3 +...+ 3 mũ 99 + 3 mũ 100

Ex2. Rewrite these sentences in such a way that they have the same meaning as the first ones. 1.There is a swimming pool in our school. -Our school…………………………………………………………………………………….. 2.The school is a big and beautiful. -It is…………………………………………………………………………………………….. 3.This is my book. -This book…………………………………………………………………………………….. 4.You shouldn’t stay up too late. -You had………………………………………………………………………………………… 5.That old man lives alone. -That old man lives…………………………………………………………………………….

Mọi người ơi giúp em với ạ 9h em nộp bài rồi mong mọi người giúp đỡ em

Use past perfect or past perfect continous: 3) the doctor told John to stay in bed until he ..................... (fully/recover)

Ex1: Put the words or phrases into appropriate blanks.8N/1-L10 Firstly In brief also Because In addition Finally After Secondly Thirdly Successful people tend to spend their free time in these particular ways. (1)………………, they exercise regularly because they know the importance of taking exercise to their physical and mental health (2)……….. , successful people never stop reading new books. Reading is an essential skill that gives them a greater understanding of the world around (3)…………….. , they take classes in order to learn new skills. Most successful individuals commit to lifelong learning. They (4)…………….. volunteer at their leisure. This is such a great way to give back to the community and feel happier because of it (5)…………………. , the successful pursue at least a hobby to relieve stress and balance their life (6) …………………. , they spend time with friends and family who always give them precious support and unconditional love no matter how successful they are (7) ……………. , try some of these strategies, you may be surprised at the results. Ex1: Rewrite the following sentences without changing their meaning. 1. No river in the world is longer than the Nile. The Nile _____________________________________________ 2. I fed the chickens this morning The chickens _________________________________________ 3. The film was so boring that I fell asleep Because _____________________________________________ 4. Let’s go to my uncle farm at the weekend. Amy suggested _______________________________________ 5. It took me two hours to walk to her village. I spent ______________________________________________

18.Where are your children?-They are in their room. They……………… A.study B. studies C. are studying D. is studying 19.You are a student. You must be………..time. A.in B.on C.at D.for 20.I’m getting taller. Last year, I…………140 centimeters tall, now I ………145 centimeters tall. A.am-am B.was-was C.was-am D.am-was 21.The rooms in the crazy hotel are named………..the animals. A.on B. in C.after D. for 22.What do you think……..my project? A. of B about C.in D.on 23.Which sentence is correct? A.I like my bedroom best. B.How old is he C.Who teaches you English? D.I don’t know what her name is. 24.An interpreter translates a language ……..another language. A.to B.into C.for D.of 25.A:I live near here B: I………….. A.live,too B. do, to C.do, either D. live near here, either. 26.Ask……….for help if you have difficulty. A.he B.his C. him D. she 27.They go to school………Monday…….Saturday. A.on,on B.on,to C.from,to D.to, from 28.He likes……………..very much. A.draw B.drawing C.to draw D. drew 29.I want you…………… 5 words a day. A.to learn B. learning C. learn D. learnt 30.She works in a hospital. She examines sick people. He is a/ an…………… A.engineer B.journalist C.nurse D. doctor 31.It’s breaktime now,the children…………….in the playground. A.is skipping B. are skipping C. are skiping D. skip 32.My mother often ………..up at 6 o’clock. A.gets B. get C. is getting D. got

vẽ con ongg digi/tradi full màu nl: các pạn nghĩ năm nay ai sẽ là thành viên của năm and mod của năm???

Cho đường tròn O và đường thẳng d đi qua đường tròn nhưng không qua O Lấy d cắt O tại hai điểm A,B . chọn điểm M thuộc O nằm ngoài đoạn AB kẻ MC,MD là tiếp tuyến của (O), ( C,D thuộc (O) ) Kẻ hai tiếp tuyến của (O) cắt (O) tại A,B giao điểm hai tiếp tuyến đó là I CMR I,C,D thẳng hàng