Exercise 1: B. disadvantage C. photographer C. transportation 1. A. authority D. relationship 2. A. combination B. satisfaction D. necessary 3. А. hockey B. involve C. review D. select C. technician C. origin 4. A. defensive B. spectator D. wonderful В. ехample В. ехpect 5. A. eleven D. synthetic 6. A. exhaust C. extra D. except C. decide C. respect C. convenient 7. A. discharge B. honey D. appoint 8. А. саptain B. belong D. avoid 9. A. evaluate B. favorable D. relationship 10. A. signature B. scholarship C. terminal D. transaction Exercise 2: Question 1: A. refuse B. musician C. history D. mechanic Question2: A. museum B. destroy C. threatened D. economy Question 3: A. Computer B. communicate C. comfortable D. flamingo Question 4: A. twenty B. hundred C. thirteen D. fifty Question 5: A. infer B. answer refer D. deter Question 6: A. exception B. linguistics C. paragraph D. specific Question 7: A. measurement C. economic D. engineer Question 8: A. achievement C. confinement D. involvement Question 9: A. teacher B. prefer C. offer D. flower Question 10: A. overwhelming B. intellectual C. incredible D. optimistic

hợp chất AxOy có phân tử khối là 102.Xác định công thức của hợp chất biết rằng tổng số nguyên tử trong phân tử AxOy là 5

1. Nam is my classmates. He watches TV every night. __________ 2. I think collecting stamps are interesting. __________ 3. My dad cooks very good. He loves preparing meals for our family. __________ 4. I enjoy to ride my bike to school. __________ 5. We usually go in a small lake out of the city at weekends. __________ 6. Do you still play football next year? __________ 7. We like doing fishing because it is relaxing. __________ 8. Do you think bird watching interesting? __________

Giúp mình với ạ Xđ bậc của các hợp chất sau: $C_{2}$$H_{5}$OH; $C_{2}$$H_{5}$$NH_{2}$ ; $CH_{3}$CH($NH_{2}$)$CH_{3}$ ; $CH_{3}$CH(OH)$CH_{3}$ ; $CH_{3}$$NHC_{2}$$H_{5}$ ; $C_{6}$$H_{5}$$N(CH_{3}$)$_{2}$ ; $(CH_{3}$)$_{3}$N

Tính : |1/2 x + 3/5 | = 1/2 Lưu ý : x ko phải là dấu nhân nhé

Fill in the gap with suitable word(s). WRITE NO MORE THAN THREE WORDS IN EACH SENTENCE. 9. When I had difficulty in my project, they __________________ hand and we worked it out together. 10. Teachers should try to avoid __________________ their own beliefs on their students.

2 ý + vẽ hình là 20 điểm nhé cần gấp lắm

HELPPPP!!! Mọi người giải giúp mình bài này với. Mình cảm ơn nhiều lắmmmmm❤️❤️❤️🙏

Giúp mình câu này với ạ, hứa vote 5 sao, thanks mn ❤️

càn gấp lắm giúp vs ạ 2ys + vẽ hình là 20 điểm nhé