đây là môn giáo dục quốc phòng- an ninh

cm A=1/3.4/6.7/9.10/12...244/246<1/27

Ai giúp mình mây câu này với gấp lắm rồi

Mn giúp em vs em cần gấp Em cảm ơn

Ai giúp e với ạ, hứa vote 5 sao

em can giup bai nay hua cho 5 sao

đây là môn giáo dục quốc phòng an ninh

Giúp mình vs mình đang cần gấp quá

1. No one has better qualifications. Carol is certain ________ for the job. ( adv+to Vo) A. to choose B. having chosen C. to be chosen D. being chosen 2. The house needs ________. A. to pain B. to be painting C. to be paint D. painting 3. Do you want ________ by the doctor? A. to examine B. to be examined C. being examined D. being to examine 4. Alice didn’t expect ________ to Bill’s party. A. asking B. being asked C. to ask D. to be asked 5. The mouse family avoided ________ by coming out only when the house was empty and the two cats were outside. A. catching B. being caught C. to have been caught D. to be caught 6. My boss doesn’t ________ me to use the telephone for private calls.(allow+O+to V0) A. let B. get C. know D. allow 7. I think it’s no good ________ him about that.( no good+V-ing) A. to tell B. told C. being told D. telling 8. He enjoys ________ the crossword puzzle in the newspaper every day. A. doing B. do C. to do D. done 9. The fans climbed over the fence to ________ paying. A. avoid B. postpone C. refuse D. stop 10. They ________ all day swimming and sunbathing at the beach. A. took B. used C. passed D. spent 11. Keeping fit ________ taking exercise every day! A. seems B. tries C. concerns D. means 12. Peter ________ to go in for the exam. A. avoided B. let C. advised D. decided 13. Let us know as soon as possible so that we can start ______ arrangements. A. make B. makes C. making D. made 14. After their children had grown up, they decided ________ to a condominium in the city. A. to move B. to be moved C. moving D. being moved 15. You can’t help ________ Sandra King. A. like B. to like C. liking D. x 16. I would rather ________ my birthday party in a restaurant. A. not to have B. not having C. not have D. not to have 17. They are whispering to avoid ________ by their friends. A. being heard B. hearing C. to be heard D. being hearing 18. Instead of ________ out with Janet, we decided ________ home. A. going / to stay B. to go / staying C. going / staying D. to go / to stay 19. She wanted ________ home but the boss made her ________ until she finished ________ those contracts. A. to go / stay / typing B. going / to stay / to type C. to go / staying / type D. go / stay / type 20. John suggested ________ to the new branch in Vietnam. A. being appointed B. to appoint C. to be appointed D. appointing 21. It is not worth ________ that computer. You had better _______ a new one. A. to repair/ to buy B. repairing / buy C. for repairing/ bought D. to repair/ buying 22. The little boy hopes ________ to Disneyland Park on his birthday. A. to take B. to be taking C. to be taken D. taking

Nguyên tử nguyên tố x có tổng số các loại hạt là 34 .Hạt mang điện nhiều hơn hạt không mang điện là 12 .Xác định số lượng của mỗi hạt