Một hợp tử của một loài nguyên phân liên tiếp 5 lần, không xảy ra đột biến. Số tế bào con tạo ra sau khi kết thúc lần nguyên phân cuối cùng là A. 32 tế bào. B. 10 C. 5 D. 20 tế bào

3 giờ 30 phút bằng bao nhiêu giờ

II- Choose A,B,C or D to complete the following sentences: 1.When ................a dictionary, you need to be able to understand the symbols and the abbreviations it contains. A.having used B.use C.to use D.using 2.How can I know ................book is yours?- They are so alike. A.what B.which C.this D.the 3. ................paul brings the money for lunch, we’ll go right down to the cafeteria. A.Since B.As soon as C.Now that D.Until 4.If I .............you, I’d take some rest before the game tomorrow. A.am B.could be C.were D.would be 5.You have never been to Nha Trang ..................... ? A.have you B.haven’t C.you have D.you haven’t 6.She will visit us as soon as she arrives ................Paris. A.at B.in C.on D.to 7.The smaller the room is, the ....................furniture it needs. A.fewer B.small C.more D.less 8.The secretary to ................. I talked didn’t know where the meeting was. A.which B.who C.that D.whom 9.I find the time of English meals very strange. I’m not used ............dinner at 5 pm. A.to have B.to having C.having D.have 10.I have to be present at eight o’ clock and so ........................... . III. Use the correct form of the word in capitals to fit each gap. Nowadays, a great (1)…………………………of different food is available from large supermarkets. There are rarely any (2)……………………. of fresh food, and there is far less (3)………………….of our having to rely on (4)………………. Products. Does this mean that supermarkets have become the most (5)……………... shops of all times? Certainly they seem to have made some kinds of food less (6)……………………and most people enjoy (7)…………………..in them. There has been a reduction in the numbers of (8)………………….made against supermarkets in recent years. The assistants are no longer (9)……………….., but smile and try to be helpful. Above all, supermarkets have shown a (10)……………………to listen to their customers, and to adapt to customers’ needs. 1. VARY 2. SHORT 3. LIKELY 4. FREEZE 5. SUCCESS 6. EXPENSE 7. REDUCE 8. COMPLAIN 9. POLITE 10. WILLING IV. Read the text below and think of the word which best fits each space. Use only one word in each space. There is an example at the beginning. At the age of thirty, Tom Cruise had made fifteen films and earned millions (1)………… dollars. It is interesting that Cruise, like many other successful and ambitious (2)……………., found stardom only (3) ………………..a difficult childhood. Cruise was the third child and the only boy in a (4) ……………….. of four children brought (5) ………………. by parents who worked hard but (6) ……………… stayed long in one town - his father, an engineer, went round the USA looking (7) ……………… work. Cruise had been to half a dozen schools . He had to fit (8) ……………….. quickly at each new school and moving about did not help his education, but he was good at sports, which could be carried on from one school to (9) ……………. His parents divorced when he was twelve, and his father died some years later (10) …………….. seeing any of his son’s films. All the children had to find a job after school to help the family. As a teenager he couldn’t decide (11)………………….to become a priest or a wrestler, but (12)…………..the age of eighteen he chose acting as a career. Now, Cruise has made (13) ………………. much money that he never (14) ……………….. to work again, but this is not (15) ……………… option he is likely to consider seriously for many years to come V-Choose the best answer A,B,C or D to complete this passage: These days it is impossible to open a newspaper(1)............reading about the damage we are doing to the environment. The earth is being threatened(2)................ the future looks bad(3)...........can each of us do ? We can not clean(4)................our polluted rivers and seas over night. Nor we can stop the(5). ..............of plants and animals. But we can stop adding to the problem(6)........... ............scientists look for answer. It may not be easy to change your lifestyle(7).........but some steps are easy to take: cut down the amout of driving you do, or use as little plastic as possible. It is also easy to save(8)............, which also(9).............household bills. We all make a personal decision to work for the future of our planet if we want to ensure a better world(10)...............our grandchildren. 1.A.with B.without C.and D.but 2.A.and B.however C.so D.moreover 3.A.where B.when C.why D.what 4.A.up B.to C.on D.in 5.A.appear B.appearance C.disappear D.disappearance 6.A.when B.during C.while D.within 7.A.complete B.completeness C.completely D.to complete 8.A.water B.energy C.money D.health 9.A.adds B.decrease C.reduces D.supplies 10.A.from B.for C.to D.in

Bài 1 :Tổng một số tự nhiên và một số thập phân là 2032,8. Nếu chuyển dấu phẩy của số thập phân đó sang trái một hàng thì được tổng sẽ bằng 2014,98. Vậy số thập phân đó là bao nhiêu ?

Em hãy chọn một điều ấn tượng nhất với mình trong đợt nghỉ học vì dịch Covid-19 này, tự đặt nhan đề và viết thành một bài văn nhỏ để kể cho mọi người khi gặp lại. Giúp mình với ạ !!

Câu 3. Em hãy nêu khái quát một số cây trồng, vật nuôi ở các kiểu môi trường khác nhau của đới nóng?

Lấy ví dụ về từ phức đặt câu với các từ vừa lấy

Em hãy nêu bố cục của văn bản? Giải thích tại sao văn bản lại có bố cục như vậy?

em đang cần gấp mọi người giúp em giải bài này với ạ, em cảm ơn mọi người nhiều em sẽ đánh giá đủ 5 sao ạ

giúp mik bài này vs ạ!! Give the correct form of the verbs in the brackets to complete the sentences