tập xác định của hàm số y=sin(x-1)

THỂ GIẢ ĐỊNH Exercise 1: Chọn phương án đúng để hoàn thành những câu sau đây: It is necessary that children of their old parents. takes care B. to take care c. take care D. took care I wish you complaining about the weather. would stop B. stop c. stopped D. had stopped It is essential that every student to learn English at university. had B. have c. has D. to have We wish we a large house but we can't afford it now. have B. had c. can have D. will have My friend won't lend me his car. I wish he lent me his car B. he didn't lend me his car C. he would lend me his car D. he will lend me his car I'm sorry I haven't got any money on me. I wish I have got no money on me B. I have some money on me C. I had some money on me D. I had got no money on me My friends didn’t take part in the game. I wish my friends took part in the game B. my friends had taken part in the game C. my friends would take part in the game D. my friends did take part in the game It wasn't fine yesterday. I wish it was fine yesterday B. it would fine yesterday C. it will fine yesterday D. it had been fine yesterday I wish I Psychology when I was a college student. had studied B. would study C. studied D. studied I wish someone to help me with that work tomorrow. offer B. offered C. would offer D. had offered If only I play the guitar as well as you! would B. should C. could D. might When I saw Tom, he looked he had been ill. so B. such as C. the same D. as if Mrs White always talks to her baby as though he an adult. is B. were C. had been D. will be When he came out of the room, he looked he had seen a ghost. as B. as though C. when D. if Susan's doctor insists for a few days. that she is resting B. her resting C. that she rest D. her to rest The doctor suggested that his patient stop smoking B. stops smoking C. stopped smoking D. to stop smoking It is necessary that he the books. find B. doesn't find C. don't find D. did not find It has been proposed that we the topic. to change B. changed C. changing D. change It's important that every student all the lectures. attends B. attend C. has attended D. attended It's time we all now. A. leave B. to leave C. left D. have left

Giải hộ bác hhhhhhhh votttte0,1 √20000

LỰA CHỌN 1 TRIỀU ĐẠI MÀ EM ẤN TƯỢNG NHẤT ĐỂ VIẾT VỀ NÓ.

Mọi người giúp em bài tập này giải như nào ạ em cảm ơn mọi người ạ

Giúp mình câu 10 nha, câu 10 liên quan đến cái hình bên trên á

Làm nhanh giúp mình nha, mình gấp lắm. Cảm ơn nhiều.

LESSON 6: CÁCH DÙNG “V-ing/ to Vo/ Vo” Ex1: Put the verb in the brackets in the correct form. 1. He wanted (see) _____________________the house where the president was born. 2. I would like him (go) ___________ to a university but I can’t (make) __________him go. 3. I am looking forward to (see) _____________________ you. 4. He asked us (work) _____________________faster. 5. I wish (see) _____________________the manager. 6. It is no use (wait) _____________________him. 7. He warned her (not touch) _____________________the wire. 8. Don’t forget (clock) ________________the door before (go)_________________to bed. 9. My mother told me (not speak) _____________________too anyone about it. 10. At dinner she annoyed me by (smoke) _____________________between the courses. 11. He decided (disguise) ____________ himself by (dress) ______________as a women. 12. Would you mind (show) ______________me how (work) __________________the lift. 13. After (walk) ______________three hours we stopped (rest) ______________and let the others (catch) ___________________up with us. 14. The boy likes (play) __________________games but hates (do) ______________exercises. 15. He hates (answer) ____________the phone, and very often just lets it (ring)__________. 16. I don’t allow (smoke) _____________________in my drawing-room. mình cần gấp ạ

Cho x+y=9 và xy=-4.Giá trị của biểu thức $x^{4}$+ $3x^{3}y$+ $3xy^{3}$+ $x^{4}$ bằng:

Chứng mình câu b ạ, mình cảm ơn.