2Tìm trong đoạn trích Vượt thác một hình ảnh so sánh để miêu tả cây cổ thụ ven bờ sông. Phân tích tác dụng của phép so sánh đó. các bạn giúp mik nhanh nha ai nhanh và đúng mik vote 5 sao

Giả sử một quần xã sinh vật có các loài sau: Cỏ, cây gỗ, sâu ăn lá, thỏ, sóc, hươu cao cổ, chim ăn sâu, rắn, cáo, hổ, đại bàng vi khuẩn phân hủy. Hãy vẽ sơ đồ: a) 5 chuỗi thức ăn, trong đó có ít nhất 3 sinh vật tiêu thụ trong quần xã trên. b) Lưới thức ăn từ các chuỗi thức ăn trên.

TEST: 2 I/ Chọn từ có phần gạch chân được phát âm khác những từ còn lại bằng cách khoanh tròn chữ cái A, B, C, hoặc D. 1. A. looked B. watched C. carried D. stopped 2. A. study B. success C. surprise D. sugar 3. A. unite B. underline C. university D. uniform 4. A. danger B. angry C. language D. passage 5. A. character B. children C. teacher D. change II/ Chọn câu trả lời đúng nhất. Khoanh tròn vào chữ cái A,B,C, hoặc D. (15đ) 1. Are you interested...........playing badminton after class? A. in B. with C. on D. for 2. " What.........going to Hanoi tomorrow? " A. to B. in C. about D. for 3. Hoa works very..........so she always gets good marks. A. badly B. good C. hardly D. hard 4. The building was built .........1962 and 1969. A. between B. from C. since D. for 5. This school..........in 1997 A. built B. is built C. was built D. has built 6. Of all my friends, Hoa is............. A. the tallest B. the most tallest C. taller D. more taller 7. Would you mind if I……………a photo ? A. take B. took C. would take D. am going to take 8. Last week I ……………my children to the biggest zoo in town. A. got B. brought C. fetch D. took 9. Are you proud…………….your country and its tradition ? A. about B. on C. of D. for 10. Do you collect stamps or other things ? - Yes, I am a stamp…………. A. collecting B. collector C. collect D. collection 11. It is very dangerous ………….. in the polluted environment. A. to live B. lives C. living D. live 12. Our ………….. resources are limited so we should recycle all used things. A. nature B. natural C. naturing D. naturally 13. His car is the same color …………. my uncle’s. A. alike B. as C. like D. to 14. This ruler …………….. of plastic. A. make B. made C. is making D. is made 15. I take part ………….. most youth activities of my school. A. in B. of C. on D. at III/ Điền vào chỗ trống một giới từ phù hợp. (10đ) 1. Could I help you ______________ your bag? 2. Na got up late this morning because her alarm clock didn’t go ___________ . 3. I’m looking forward ____________ seeing you in June. 4. In the competition, everyone fell ______________ the deep and dangerous water. 5. Ha Long Bay is recognized _____________ UNESCO as a World Heritage Site 6. They have a meeting ___________ 6.30 and 9.30. 7. My mother often picks me ___________ from the school. 8. I’m going to invite my friends to come over ___________ dinner tonight. 9. Next summer, my family will have a vacation __________ Thailand and stay there ________ one week. IV/ Điền đúng dạng của từ được in hoa để hoàn thành câu. (10đ) 1. We have two postal ___________________ a day. (DELIVER) 2. He left the room without ___________________ . (EXPLAIN) 3. Playing tennis is one of his favorite ______________ . (ACT) 4. We started our trip on a beautiful ______________ morning. (SUN) 5. They left the house in a __________________ mess. (FRIGHT) 6. He said “ Good morning” in a most ______________ way. (FRIEND) 7. There is no easy ______________ to this problem. (SOLVE) 8. He always drives more ________________ at night. (CARE) 9. Does this _______________ suit you? (ARRANGE) 10. He is a very _________________ carpenter. (SKILL) V/ Dùng từ gợi ý viết lại các câu sau sao cho nghĩa của câu không thay đổi. (10) 1. Keeping the environment clean is very important. - It’s …………………………………………………………………………….. 5. I’m very sad that I wasn’t accepted in that group. - I’m very sad not ……………………………………………………………………. 6. It’s three years since I last spoke to her. - I haven’t ……………………………………………………………………………… 7. Tam doesn’t type as fast as she used to. - Tam used …………………………………………………………………………….. 8. “ Please turn down the radio for me”, said my father. - My father asked ……………………………………………………………………… 9. Lan will be fifteen next week. - It is Lan’s …………………………………………………………………………….. 10. How long is it since you used the pen? - When ………………………………………………………………………….?

Em có suy nghĩ gì về tinh thần lạc quan của con người trong cuộc sống.Hãy trình bày suy nghĩ đó của em bằng 1 ĐOẠN VĂN khoảng 1/2 đến 2/3 trang giấy viết ĐOẠN VĂN nhá mn!!!! Đừng ai viết thành bài văn nhá !!! Tuyệt đối không chép mạng luôn ạ !!!

Sentences with verbs offreporting: 26. People believe that 13 is an unluckynumber. 27. They rumoured the man was stillliving. 28. They declared that she won thecompetition. 29. They know that English is an internationallanguage. 30. People think that Jack London’s life and writings represent the American love ofadventure. 31. They say that John is the brightest student inclass. 32. They reported that the President had suffered a heartattack. 33. They think that he has died a naturaldeath. 34. They reported that the troops werecoming. 35. People believed that the earth stoodstill.

VII. There is one mistake in each sentence. Find and correct it. 66. The little boy didn’t know how lacing his house. ......................... 67. I would rather live on a farm than to live in a city. ......................... 68. The workers are building a new bridge which is 150 meters in high. ......................... 69. This text is too long for me to read it. ......................... 70. This course is good, but more hard than I thought. ......................... IIX. Make the questions for the underlined words or phrases. 71. People can know about the weather in their regions from the weather forecast. ............................................................................................................................... 72. The game show lasts sixty minutes. .................................................................. 73. I like Mr Bean best because he always makes me laugh when I see him on TV. ............................................................................................................................... 74. Millions of viewers will watch the EURO football match in TV this evening. ............................................................................................................................... 75. We can meet in front of theater at 7p.m. .................................................................. 76. I went to bed at 11 o’clock last night. .................................................................. 77. She will be fourteen on her next birthday. .................................................................. 78. It’s about two kilometers from my house to the movie theater. .................................................................. 79. The wingless penguin is about the adventure of a child penguin who has no win. .................................................................. 80. Thien Duong cave was discovered in 2005. ..................................................................

A=2+2^2+2^3+...+2^60 .chứng minh chia hết hp 21 và 15

Sự kiện nào đánh dấu bước ngoặt trong quá trình tìm đường cứu nước của Nguyễn Ái Quốc từ một người yêu nước trở thành một chiến sĩ cộng sản ?

Gieo một đồng xu cân đối và đồng chất 3 lần a, Mô tả không gian mẫu b, Tính xác suất của các biến cố sau : A : "Mặt ngửa xuất hiện 3 lần" B : " Mặt ngửa xuất hiện ít nhất một lần"

Thầy cô có thể giúp em đánh giá đẳng thức này được không ạ? E cảm ơn ạ