`2^32+1` có phải là số nguyên tố ko? (có giải thích nha)

III. Choose the best answer among A, B, C or D to complete the sentences. (2.5 pts) Question 15.“ Thanks a lot for your wonderful gift.” _ “ ______________ “ A. You are welcome B. Thank you C. Cheers D. Have a good day Question 16.Taylor: “It’s very kind of you to invite me to your party.” - Edward: “____________” A. No, thanks. B. OK. That’s great C. Good idea, thanks D. It’s my pleasure. Question 17.You have read this article on the webside, _________ ? A. don’t you B. aren’t you C. haven’t you D. have you Question 18.___________ he tried his best, he couldn’t win the race. A. If B. Although C. But D. Because Question 19.I wish I _________ your home village again some day. A. can visit B. visit C. visits D. could visit Question 20. _______ train times are different on __________ Sundays. A. A - the B. The – the C. D. The - Question 21. If we ___________ water carefully, more people will have fresh water. A. will use B. would use C. using D. use Question 22. Public _________ in this city is very good, and it’s not expensive. A. travel B. vehicle C. journey D. transport Question 23. Mr Quang _________ he would be back in an hour. A. spoke B. said C. told D. talked Question 24. She failed the exam ____________ her laziness. A. because B. because of C. although D. despite

Giúp mình gấp nhanh với ạ, mình đang cần thi :((

cho 2 đường thẳng xx' và yy' cắt nhau tại O biết 1 trong các góc tạo thành có số đo bằng `50^o` hãy cho biết số đo các góc còn lại?

Ai có bài nghe này ko ạ Giúp với Part 1 - Listen to Stephen talking to Jenny about making some soup. Listen to the recording and circle the appropriate A, B or C. Question 1. Jenny was shown how to make the soup by A. her aunt B. her friend C. her mother Question 2. How has Jenny improved the soup? A. She adds less water B. She makes it thinner C. She uses bigger cups Question 3. To make it really good, Jenny adds A. milk B. butter C. cream Question 4. How long does the soup take to make ? A. about 5 minutes B. about 10 minutes C. about 20 minutes Question 5. What will they eat next ? A. Fruit cake B. pasta C. lemon chicken Part 2 - Listen to Tony talking to Lisa about a science club competition. Listen to the recording and circle the appropriate A, B or C. Question 6.Which building will the competition be in? A. the school B. the town hall C. the university Question 7.How has the team decided to get there? A. They will catch a bus B. They will walk C. They will go on the underground Question 8.The total number of questions in the quiz will be A. five B. fifteen C. twenty five Question 9.Tony’s favourite area of science is A. biology B. chemistry C. physics Question 10. Winners of the competition get A. T-shirt B. cinema tickets C. a box of chocolates

Giữa 2 số 3,14 và 3,15 có bao nhiêu số thập phân ? A) 1 số B) Không có số nào C) Vô số

cho ∆ABC có góc A=90độ đường cao AH cắt đường phân giác BD tại I a chứng minh IA.BH=IH.AB b chứng minh AB²=BH.BC c kẻ HK song song với BD (K thuộc AC).Chứng minh AD²=DK.DC

Chọn từ có cách phát âm khác Question 1. A. accident B. jazz C. stamp D. watch Question 2. A. this B. thick C. maths D. thin Question 3. A. gas B. gain C. germ D. good Question 4. A. spear B. gear C. fear D. pear

`\text{Chứng minh tích của 2 số tự nhiên liên tiếp chia cho 3 thì dư 0 hoặc 2.}`

my sister is a nurse. She works in the.................................