Ai đó giỏi toán giúp em ạ ^^ 1)Trong một tam giác vuông, kết luận nào sau đây là đúng ? Chọn 1 câu trả lời đúng Hai góc nhọn bằng nhau Hai góc nhọn kề nhau Tổng hai góc nhọn bằng 180 độ Hai góc nhọn phụ nhau 2)Câu nào sau đây SAI: Chọn 1 câu trả lời đúng Mỗi góc ngoài của tam giác bằng tổng hai góc trong không kề với nó của tam giác đó. Tam giác có hai góc phụ nhau là tam giác vuông. Tam giác có hai cạnh bằng nhau và một góc bằng 600 là tam giác đều. Nếu ba góc của tam giác này bằng ba góc của tam giác kia thì hai tam giác đó bằng nhau

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II. Choose the word or phrase that best completes each unfinished sentence below or substitutes for the underlined word or phrase. 1. I put the heater on_________the plants warm. a. keep b. keeping c. to keep d. for keeping 2. Why not come over at the weekend? The children_____ seeing you again. a. enjoy b. will enjoy c. are enjoying d. is going to enjoy 3. That bag looks heavy. I_______ you with it. a. will help b. am going to help c. am helping d. help 4. Calm______and tell me what happened. a. out b. down c. in d.up 5. Sam was trying hard ____. a. not to laugh b. to not laugh c. not laughing d. to not laughing 6. You _____ forget what I told you. It's very important. a. mustn't b. needn't c. don't have to d. can't 7. Cool the burns immediately so as to ______ tissue damage. a. ease b. relieve c. minimize d. maximize 8. ______ is a long stick that someone put under their arm to help them, walk when they have hurt their leg. a. Crutch b. Wheelchair c. Stretcher d. Bandage 9. These medicines can_______ your headache. a. ease b. elevate c. revive d. affect 10. Don't overheat the victim with blankets or coat. a. make someone too hot b. make someone too cold c. hurt someone d. destroy someone 11. Mrs Miles sometimes takes a pill______ to sleep. a. go b. going c. to go d. for going 12. He is working very hard______get poor grades. a. in order to b. in order not to c. to d. not to 13. If you move to your left, you_____the church. a. will see b. are seeing c. has seen d. see 14. ______quiet? I’m trying to learn. a. Are you please be b. Will you please be c. Are you please being d. Has you please been 15. The book fell_____the table. a. of b. off c. up d. in 16. Why don’t you come _____ for dinner? a. across b. over c. at d. down 17. Please try_____ quiet when you come home. Everyone will be asleep. a. be b. to be c. being d. to being 83. Leave the victim_____flat and don’t let him ___chilled. a. lying/ to become b. to lie/ become c. lying/ become d. to lie/ to become 19. _____ is a long thin piece of cloth or paper used for tying round and protecting a wound. a. Water packs b. Bandage c. Handkerchief d. Blanket 20. _____ the patient’s feet, or lower his/her head below the level of the heart. a. Elevate b. Cool c. Cover d. Overheat