gấp nha, cams ơn các bn, giải theo cách lớp 7

Các bn Ơi ! Giải giúp mk 2 câu này vs ak , mk đang cần gấp . Camon các bn nha😍

8 - 5x +|3+15x| = 0 giải pt ạ giúp mình vs ạ

Mọi người ơi! Giúp em với làm đúng vào nhé :)

Ngày thống nhất của nước Hợp Chủng Quốc Mỹ là ngày bao nhiêu?? A. Ngày 2 tháng 7 năm 1776 B. Ngày 3 tháng 7 năm 1776 C. Ngày 4 tháng 7 năm 1776 D. Ý kiến khác

Viết pt ion CH3COOH+HCL giúp em với ạ em đang cần gấp

Fill in each numbered blank with one suitable word or phrase. Nearly 200 of the 1500 native plant species in Hawaii are at risk of going extinct in the near future because they have been (41) _____ to such low numbers. Approximately 90 percent of Hawaii's plants are found nowhere else in the world but they are (42) _____ by alien invasive species such as feral goats, pigs, rodents and non- (43) _____ plants. The Hawaii Rare Plant Restoration Group is striving to (44) _____ the extinction of the 182 rare Hawaiian plants with fewer than 50 individuals remaining in the (45) _____. Since 1990, (46) _____ a result of their 'Plant Extinction Prevention Program', sixteen species have been brought into (47) _____ and three species have been reintroduced. Invasive weeds have been removed in key areas and fencing put up in order to (48) _ plants in the wild. In the future the Hawaii Rare Plant Restoration Program aims (49) _____ collecting genetic material from the remaining plants in the wild for storage as a safety net for the future. They also aim to manage wild populations and where possible reintroduce species into (50) _____ 41. a. disappeared b. reduced c. increased d. developed 42. a. guarded b. invested c. conserved d. threatened 43. a. nation b. native c. national d. nationally 44. a. prevent b. encourage c. stimulate d. influence 45. a. wild b. atmosphere c. hole d. sky 46. a. so b. due c. as d. but 47. a. contamination b. production c. cultivation d. generation 48. a. derive b. vary c. remain d. protect 49. a. at b. for c. with d. on 50. a. shelters b. reserves c. gardens d. halls

Giúp với câu 5 - 12 hứa cho điểm và sao

Vi sinh vật hoá tự dưỡng sử dụng nguồn C và nguồn năng lượng là? A. CO2, ánh sáng. B. chất hữu cơ, ánh sáng. C. CO2, hoá học. D. chất hữu cơ, hoá học.

Exercise 1: Find the word which has a different sound in the part underlined (1p) 1 A. cinema B. comic C. cake D. cool 2 A. picture B. sure C. nurture D. nature 3 A. ahead B. instead C. seatbelt D. bread 4 A. wanted B. filled C. stayed D. closed 5 A. ways B. days C. stays D. says Exercise 2:Choose A,B,C or D for each gap in the following sentences:(1.5p) 1. She will visit her parents_________ their farm during her vacation. A. on B. in C. from D. after 2. Thanksgiving is an important_________, and there is always turkey and a lot of good food. A. holiday B. memory C. celebration D. party 3. Hoa works 20 hours a week. It is _________than most workers work. A. few B. a few C. fewer D. a fewer 4. She needs stamps for overseas mail_________ she has a pen pal in America. A. when B. so C. before D. because 5………the film is a bit frightening ,I really enjoyed it. A. However B. Nevertheless C. Although D. Despite 6.We don’t really know the cause of this disease,………..? A. can we B. do we C .have we D. are we. Exercise 3: Supply the correct form or tense of the verbs:(1.5p) 1. I fancy (fish)………..because it (be)……..relaxing. 2. He( collect)………...stamps since he (be)…….. a child. 3.We(study)………..English for two years . 4.They (stay)…………..…..in Ha Noi for a few days next week. 5.At this time tomorrow, We( have)………………..dinner with our guesses. 6. Solar energy (use)………….… by many countries in the world in the future. 7. You should advoid (sit) ……….at the computer for too long. 8. She (need)………a brush if she wants to paint her room. Exercise 4. Read the passage and answer the questions(1.0) Who are the best drivers? Which drivers are the safest on the roads? According to a recent survey, young and inexperienced drivers are the most likely to have an accident. Older drivers are more careful. Young men have the worst accident records of all. They often choose faster cars with bigger engines. One of the most interesting facts in the survey is that passengers have an effect on the driver. When young male drivers have their friends in the car, their driving become worse. When their wife or girlfriend is in the car, however, their driving is better. But opposite is true for women. Their driving is more dangerous when their husband or boyfriend is in the car. However, if their small children are riding in the car, they drive more slowly and safely. 1. Are inexperienced drivers careful drivers? …………………………………………………………………………………………….. 2. Who have the worst accident records of all? Why? …………………………………………………………………………………………….. 3. Who have an effect on the driver? …………………………………………………………………………………………….. 4. When do young male drivers drive carefully? …………………………………………………………………………………………….. 5. How do women drive when their small children in the car? …………………………………………………………………………………………….. Exercise 5. Khuyến khích Rewrite the sentences without changing their meanings 1. She started working as a secretary in this factory five years ago.  She has ………. 2. My French friend finds driving on the left difficult.  My French friend isn’t …….. 3. When I was young, I took my son out for a walk everyafternoon. I used to…………...................................................................………………… 4. We didn’t go on holiday because we didn’t have enough money.  We didn’t have ………. 5. The children couldn’t go swimming because the sea was very rough.  The sea was too ……..