Choose (A or B,C,D)to complete the following sentences

Hãy cho biết sự khác nhau về khí hậu giữa lục địa Bắc Mĩ và lục địa Nam Mĩ ?

TẠI SAO NƯỚC VẠN XUÂN LẠI SỤP ĐỔ

Thỏ và rùa cùng thi chạy. Chúng xuất phát cùng một lúc từ A đến B. Thỏ chạy mỗi phút được 20m. Còn rùa, phút đầu chạy được 1m, phút thứ hai chạy được 2m, phút thứ ba chạy được 3m, phút thứ tư chạy được 4m,….Hỏi sau bao lâu rùa đuổi kịp thỏ? ai chi minh voi

giải bất phương trình sau: $\frac{1}{x^{2}-1}$ < 1 - $\frac{3}{\sqrt[]{1-x^{2}}}$

giúp mình gấp với ạ, mình cần gấp

15 Mark the letter A, B, C or D to indicate the most suitable response to complete each of the following exchanges. “My favorite leisure activity is people watching.” “_______” A: That’s all right. B: That sounds so weird! C: Sure. It’s very entertaining. D: OK. That’s very kind of you 16 Choose the sentence so that it has similar meaning to the first one. Question 23. What leisure activity does she like most? A: What activity does she like doing most? B: What does she like most? C: What’s leisure activity does she like most? D: What’s her favorite activity in her free time? 17 Choose the best answer a, b, c or d to complete the sentence. Question 10. My favorite hobby is ______. I spend most of my free time making vases and bowls from clay. A: bird watching B: woodcarving C: pottery making D: model making 18 Choose the word whose underlined part is pronounced differently from the others. A: hooked B: socialized C: satisfied D: bored 19 Mark the letter A, B, C or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions. Question 12. Do you adore skateboarding in the park this Sunday. A: fancy B: dislike C: enjoy D: love 20 Choose the best answer a, b, c or d to complete the sentence. Question 5. How much time do you spend _______ leisure activities? A: on B: with C: for D: in 21 Read the passage carefully, then choose the correct answers. The latest addiction to trap thousands of people is the Internet, which has been blamed for broken relationships, job losses, financial ruin, and even suicide. Psychologists now recognize Internet Addiction Syndrome (IAS) as a new illness that could cause serious problems and ruin many lives. IAS is similar to other problems like gambling, smoking and drinking: addicts have dreams about the Internet; they need to use it as the first thing in the morning; they lie to their parents and partners about how much time they spent online; they wish they could cut down, but are unable to do so. A recent study found that many users spend up to 40 hours a week on the Internet. Some of the addicts are teenagers who are already hooked on computer games and who find it very difficult to resist the games on the Internet. Which of the followings is NOT true? A: Internet addiction can cause suicide behaviors. B: IAS is recognized as a new illness. C: Teenagers who are hooked on computer games can suffer from IAS. D: Many Internet addicts spend more than 40 hours a week online. 22 Mark the letter A, B, C or D to indicate the most suitable response to complete each of the following exchanges. Question 13. Mary: “Would you like to join our volunteer group this summer?” Peter: “……………………………………….” A: Do you think I would? B: Yes, you are a good friend C: Thanh you so much! D: Yes, I’d love to. Thanks. 23 Mark the letter A, B, C or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions. Question 11. My mother usually spends her free time looking after her cats. A: taking after B: taking care of C: taking over D: looking at 24 Choose the word whose stressed pattern is pronounced differently from the others. A: addicted B: detest C: community D: leisure 25 Choose the sentence so that it has similar meaning to the first one. Question 24. How about going window-shopping this afternoon? A: Shall we go window-shopping this afternoon? B: What about to go window-shopping this afternoon? C: Shall we going window-shopping this afternoon? D: Will we go window-shopping this afternoon?

Một vật đang chuyển động với vận tốc v. Nếu hợp lực tác dụng vào vật triệt tiêu thì động năg của vật A.không thay đổi B.giảm theo tgian C.tăng theo tgian D.triệt tiêu

Chỉ tam giác ABC có AB= AC = 10cm ,BC=12cm.Vẽ AH vuông góc BC tại H A chứng minh tam giác ABC cân B chứng minh tam giác ABH =tam giác AHC ,từ đó chứng minh AH là tia phân giác của góc A C. Từ H vẽ HM Giải giúp e câu 2

Chỉ tam giác ABC có AB= AC = 10cm ,BC=12cm.Vẽ AH vuông góc BC tại H A chứng minh tam giác ABC cân B chứng minh tam giác ABH =tam giác AHC ,từ đó chứng minh AH là tia phân giác của góc A C. Từ H vẽ HM