Giúp bài này vớiiiiiiiiiiiiiiiiiiiiiiiiiiiii

Trong các nguyên tố có tính phi kim ở chu kì 1 và chu kì 2 thì những nguyên tố nào có tính phi kim mạnh hơn , và những nguyên tố nào có tính phi kim yếu hơn ? Giải giúp e nha mọi người e đang cần gấp ạ

Cho hình thang ABCD có AB//CD, AB=4cm, DB = 6cm và góc A = góc CBD . Tính độ dài CD. Mn giúp mk vs mk cho 5* vs câu trl hay nhất luôn nhưng phải đúnng á

có mỗi 1 câu thôi nên các bạn jup mik nhé LÀM ƠN!!! HỨA VOTE 5 SAO VÀ LỜI CẢM ƠN

Các bạn giúp mình giải mấy bài này được không ạ mình đang cần gấp

3.After the operation, you may find it difficult to ____________ and ______________ a. chew / digest b. chew / swallow c. digest / swallow d. taste / chew 4.He has a very good ________________ in music. a. taste b. type c. smell d. feeling 5.HE ____________ the brush into paint a. did b. dipped c. kept d. broke 6.. __________ what life would be like without music. a. image b. imagine c. imaginary d. imagination 7.He paused , waiting for her to ___________ the information. a. think b. know c. digest d. mention 8.Are you in Paris on business or ______________? a. Please b. pleasure c. pleased d. pleasant 9.Food should be well cooked to suit all the guests’_____________ a. eyes b. smell c. taste d. tongue 10.The thriller was so exciting that I couldn’t ________ a. drop it b. pick it up c. put it down d. read it 11.He doesn’t like a woman who is beautiful but has no ____________ a. qualify b. person c. personnel d. personality 12.I couldn’t __________ my anger so I gave him a slap on his face. a. eat b. swallow c. drink d. chew 13.Error Identification : .Professor Tony Brown is respected by his students for his perfectly knowledge. a. is respected b. his students c. for d. perfectly 14.The reporters are interviewing those who ____________ from the disaster. a. ran away b. survived c. lived d. escaped 15.On Christmas Day all members of our family usually __________ at my parents’ had have a big party together. a. reunion b. reunification c. reunite d. reunites 16.Books in the home are the wonderful ____________ of knowledge and pleasure. a. supply b. origin c. source d. provision 17.Reviewer often ___________ books as “ hard to put down” or “ hard to pick up again.” a. describe b. illustrates c. classify d. choose 18.If you enjoy reading stories about love affairs, a _____________ is the right one. a. love b. novel c. romance d. romantic 19.Have you got any books on business methods or any similar ______________? a. subject b. content c. author d. mater 20.How are the books in this library ______________? a. divided b. named c. gathered d. classified 21.Robert’s new book will be ____________ in August? a. typed b. published c. broadcast d. announced 22.I’m reading a Stephen King’s novel. It’s really exciting and I couldn’t _____________ a. get it off b. put it down c. take it on d. look it up 23.Reviewers describe books ____________ “ hard to put down or hard to pick up again” a. as b. for c. into d. in 24.Books are still a cheap _____________ to get knowledge and entertainment. a. means b. way c. method d. measure 25.I ________ this book to all who enjoy an exciting story. a. praise b. approve of c. compliment d. recommend 26.Our son is very _________ on detective books. a. interested b. keen c. fond d. concerned 27.Grandmum used to ___________ us for hours with her stories and jokes. a. entertains b. entertained c. entertainment d. entertain 28.Error Identification : His books have been translated into several language in the world. a. his b. have been translated c. language d. in 29.Taking soup is easy and fast; just put it in your mouth and _____. a. chew b. taste c. swallow d. digest 30.It gives her great _____ to work with these young children. a. time b. pleasure c. taste d. happy 31.You’re ill; you shouldn’t eat meat. Fish is easy to _____. a. digest b. chew c. swallow d. taste 32.He found it difficult to _____ food with a loose tooth. a. swallow b. taste c. chew d. digest 33.He only had time to ___ into the report before going to the meeting. a. see b. dip c. break d. read 34.It was such a great book that I couldn’t put it _____. a. on b. off c. out d. down 35.She’s busy writing a book _____ astrology. a. in b. of c. on d. about 36.Fiction is a type of literature that describes ___ people and events. a. imaginary b. real c. historic d. important 37.A(n) _____ is a book that someone write about their own life. a. romance b. biography c. historical novel d. autobiography 38.Victorian writers fired the popular __ with their tales of adventure. a. imagination b. image c. imaginings d. imaginary 39.Books that give facts about real events, things, or people are called_____. a. non-fiction b. novel c. biography d. romance 40.Skimming is sometimes useful _____ processing larger quantities of text. a. for b. in c. to d. of 41.Professor Moore recommended the book _____ all his students. a. with b. to c. for d. from 42.A: _______________________. B: I start at nine and finish at four. A. What time do you work? B. What are your working hours? C. How long do you work? D. When do you start and finish working

Tìm giá trị của m để pt (m+1)x^2+4mx+4m-1=0 CÓ 2 nghiệm phân biệt và đối nhau.Tìm 2 nghiệm đối nhau Ai jup e vs aj

1. What does Duong suggest doing tonight ? * 1 điểm A. Watching a TV show B. Watching a film C. Staying at home 2. Where does Duong find cimema information ?. * 1 điểm A. In a newspaper B. by asking Mai C. On the Internet 3. Why doesn’t Mai want to see White Sands ? 1 điểm A. She doesn’t like that type of film B. It’s not on at the right time C. She has seen the film before 4. How do critics feel about Crazy Coconut? 1 điểm A. They all like it B. They don’t loke it C. Many of them like it 5. Which film do Mia and Duong decide to watch ? 1 điểm A. White sands B. Crazy Coconut C. They haven’t decided yet 6. Animation film is: 1 điểm A. A film that tries to make audiences laugh B. A film that features cartoon characters. C. A film that is set in the future, often featuring science 7. Science fiction film is: 1 điểm A. A film in which strange and frightening things happen B. A Film which combines comedy with lovely story C. A film that is set in the future, often featuring science 8. There is an ………………football match on TV tonight 1 điểm A. exciting B. excited C. excite D. excitedly 9. When he got mark 2 in English, he was ………… 1 điểm A. surprised B. surprising A. surprise D. surprisingly 10. Choose the word which has the different pronunciation of the ending -ed (Chọn từ có phần đuôi "-ed" được phát âm khác) 1 điểm A. stayed B. enjoyed C. repaired D. visited TRẢ LỜI ĐẦY ĐỦ ĐÚNG NHA

Giúp mình 2 câu này với Mọi người

câu trả lời đầu tiên em cho 5 sao em hứa Cho đường tròn (O;R), một dây CD có trung điểm là H. Trên tia đối của tia DC lấy một điểm S và qua S kẻ các tiếp tuyến SA, SB với đường tròn. Đường thẳng AB cắt các đường thẳng SO; OH lần lượt tại E và F. a) Chứng minh các điểm S, E, H, F cùng thuộc một đường tròn. b) Chứng minh OE.OS = R2 c) Chứng minh OH.OF = OE.OS. d) Khi S di động trên tia đối của tia DC hãy chứng minh đường thẳng AB luôn đi qua một điểm cố định.