Các bạn giúp mình với ạ mình cảm ơn nhiều lắm ạ ❤

Ở cây thông, hiện tượng thụ phấn xảy ra nhờ tác nhân nào Hạt kín có đặc điểm chung là: Cơ quan sinh sản của thực vật hạt kín là: Nón khác với hoa ở điểm nào? : Sinh vật nào sau đây là đại diện đầu tiên của giới thực vật?

Câu 4: Suy nghĩ của em về hai câu tục ngữ : “ Người ta là hoa của đất" và “ Người sống đống vàng"

V/ Cho dạng thích hợp của từ trong ngoặc để hoànthành câu 1. Hoi an is................for its ancient houses (fame) 2. Water has no color. It is a..................liquid (color) 3. Mozart was one of the great........................(music) 4. Life today is....................from life 50 year ago (differ) 5. Michael Faraday is one of the British..................(science) 6. This is my stamp....................(collect) III/ Sắp xếp những từ sau thành câu có nghĩa 1. can / swim / no one / quickly / more / him / than. → ............................................................................................. 2. people / the / night / were / party / many / there / last / at ? → ............................................................................................. 3. bought / my / family / in 1990 / house / this. → ............................................................................................. 4. did / to / year / how / you / last / stadium / often / the / go? → ............................................................................................. IV/ Viết lại các câu sau đây sao cho nhgiã không thay đổi 1/ My sister likes badminton more than soccer. →My sister prefers...................................................... 2/ Let’s go shopping. →What about.............................................................. 3/ Children should go to bed early. →Children ought........................................................ 4/ My children like comics very much. →My children are interested................................... 5/ My friend is a good singer. →My friend............................................................. VI/ Chọn đáp án thích hợp điền vào ô trống. Lan doesn’t.......(1)................very well so she isn’t going to school today. She......(2).............an earache. Her....(3)...............ear hurts. The earache started on Saturday afternoon.......(4)..............she.......(5)................to watch a football match , and her ear....(6)................after that. It was very cold and it was freezing on Saturday and she.......(7)...............a hat . Her doctor said: “Well....(8)............. a hat so your head doesn’t get cold.” 1/a. fell b. feel c. fells d. feels 2/ a. have b. had c. has d. having 3/ a. false b. true c. wrong d. right 4/ a. when b. where c. what d. which 5/ a. went b. go c. goes d. going 6/ a. hurted b. hurt c. hurts d. hurting 7/ a. not have b. no have c. didn’t have d. no had 8/ a. wear b. wore c. wearing d. wears VII/ Đọc kĩ đoạn văn rồi trả lời các câu hỏi sau: I had a very bad headache when I was young. I had a headache when I wenr to bed and it was still there when I got up in the morning. I took medicine from many doctors but it just made me more tired so I became very worried. Then I read a book about Yoga for medical problems , and it changed my life. I tried lots of methods in the book and I learned a lot of about the power of mind. After five months , my headache disappeared and I stopped taking the medicine. 1/ What was the matter with the writer? ................................................................. 2/ When did he have a headache? ................................................................. 3/ Did he take any medicine? ................................................................ 4/ How did he become after taking the medicine? ................................................................. 5/ What kind of book did he read? ............................................................... 6/ Did it change his life? ................................................................ 7/ What did he learn about? ................................................................. 8/ What happened after five months? ..........................................................

Cho f(x) = x^2 + bx + c. Tìm b và c biết a) f(1) = 2 ; f(–3) = 0 b) f(x) có nghiệm là 3 ; –6. giúp mình nha, cảm ơn các bạn

I/ Hãy chọn từ mà phần in nghiêng có cách phát âm khác với những từ còn lại 1.a. probably b. woman c. aquarium d. finally 2.a, wrong b. stomach c. cough d. online 3.a. result b. undersea c. scuba d. adult 4.a. series b. detective c. equipment d. vessel II/ Tìm những từ không cùng nhóm với từ còn lại 5/ a. good b. well c. slow d. quick 6/ a. swimming pool b. lifeguard c. swimmer d. cyclist 7/ a. chopsticks b. plate c. bowl d. sugar 8/ a. cough b. runny nose c. fever d. stomachache III. Hãy chọn câu trả lời đúng nhất 9/ They are waiting in…………………of the theater a. before b. front c. behind 10/ My mother is trying to learn…………………to use a computer a. what b. how c. when 11/ It’s very kind of you to help me. Thanks a lot………………… a. It’s all right b. You’re welcome c. Ok 12/ People are living……………..so there are more elderly people. a. longest b. long c. longer 13/ Ba’s…………………is playing the guitar. a. hobby b. like c. wish 14/ Lan………………this cap two days ago. a. bought b. buys c. buyed 15/ Eating too much fat food is not good for your………………… a. healthy b. healthful c. health 16/ Nam………………..his homework at the moment. a. doesn’t do b. isn’t doing c. didn’t do 17/ He speaks English……………….. a. fluent b. fluently c. fluency 18/ TV viewers can …………... in and answer questions through telephone. a. take b. part c. join 19/ There were a few…………… in the country thirty years ago. a. radio b. TV c. TV sets 20/ I like swimming. a. So do I b. So I do c. I am, too. IV/ Chia đúng động từ trong ngoặc 1. Let’s (meet)...................at the school gate. 2. My father (go)..................fishing with his friends tomorrow. 3. It’s 7.00 now I (study).....................English in the classroom. 4. I (be)...................very happy on my last vacation. 5. I hope you (visit) ......................Hanoi after the harvest. 6. How (you / feel)..................now? I feel Ok. 7. When.................(you / buy)..................this hat? A week ago. 8. You must (do) ......................your homework before watching TV. 9. Listen! The birds (sing)................... in the garden. 10. You may (be) ................... interested in the traditions of different cultures.

Họ nguyên hàm của hàm số f(x) =cos^3x

Tìm các số nguyên dương x,y thỏa mãn x ²y + 4xy + 4y = 162x-162

@Quangcuong347 Lưu ý: câu gạch chân k cần làm

Câu 4(2đ): Đốt cháy hoàn toàn ankan X cần dùng vừa đủ 3,84 gam khí oxi và thu được 1,68 lít CO2 (đktc) a. Tìm CTPT của X? b. Tính % khối lượng Cl trong sản phẩm thế monoclo của X?