Bỏ hòn đá có thể tích 20cm3 vào bình chia độ , thì nước trong bình dâng lên vạch 220cm3 . tiếp tục bỏ viên bi sắt vào bình chia độ thì nước trong bình dâng lên vạch 250 cm3 . a) Tính thể tích viên bi sắt ? b) Tính thể tích nước trong bình chia độ ?

lam bai 7 tinh tong giup minh nhe toan 6 40 diem

Câu 1: Sàng tiền minh nguyệt quang, 1. Chép các câu còn lại hoàn thiện bài thơ trên. 2. Bài thơ trên có nhan đề là gì? Do ai sáng tác? 3. Chủ đề chính của bài thơ này là gì? .

Mong mọi người sẽ giúp e bài này ạ

I. Find a word which has a different sound in the underlined part ( Do k có dấu gạch chân nên em sẽ thay vào đó là dấu ngoặc nha ) 1. A. d(i)vide B. m(i)nority C. rel(i)gion D. s(i)mple 2. A. ask(ed) B. watch(ed) C. play(ed) D. laugh(ed) 3. A. get(s) B. bring(s) C. take(s) D. stop(s) 4. A. chur(ch) B. (ch)ildren C. (ch)oice D. (ch)emistry II. Choose the word whose main stress is placed differently from the rest. 1. A. improve B. entrance C. attract D. vacation 2. A. exhibition B. volunteer C. convenient D. entertainmen B. VOCABULARY AND GRAMMARI. Question 1: She ………………………in this area since she was young. A. have lived B. has lived C. was living D. lived Question 2: When we …………to the craft village, the artisans …………..the table skillfully. A. come/ cast B. were coming/ were casting C. came/ were casting D. was coming/ cast Question 3: ………………..……play an important role in the economy of the ethnic groups. A. Grow and hunt B. Grow and hunting C. Growing and hunting D. Hunting and grow Question 4: All visitors were impressed ………………….the beauty of the city. A. by B. on C. of D. about Question 5: YMoan was called………singer of the woods. He made ……..important contribute to his village. A. a/ the B. the/ an C. the/ a D. an/ the Question 6. City drivers have to drive …………………………..than country ones. A. more careful B. more careless C. more carefully D. more carelessly Question 7. They offered him a place at the company but he............................................... A. pass down B. turned down C. go down D. closed down Question 8. This sports center is so small that it cannot …………………the demands of local residents. A. keep up with B. face up to C. deal with D. set up Question 9: A: Wow! You have a lot of stamp collections of cities in the world. B: ………………………………………. . Would you like to see them? A. My hobby is. B. It is right up my street. C. Many thanks. D. Are you kidding me? Question 10. Many people in the village have received medical treatment………..the disease after the earthquake. A. because of B. because C. due to D. both A& C Question 11. Five – sticky- rice cake is one of the………………………of the Thai minority. A. dishes B. foods C. specialties D. ingredients Question 12: Circle the correct option (A, B, C or D) that is closest in meaning to the underlined word. They spend all day sunbathing and playing volleyball on the beach. A. daily B. every day C. each day D. whole day D. whole day Question 13: Some people think that school put too much ………………on students nowadays. A. interest B. emotion C. pessure D. expectation Question 14: . Ms Mai advised them _____ in class. A. to not talk B. not to talk C. to talk not D. don’t talk E. Mục khác: Giups em với nha mng

Giúp mình giải 2 câu này với các bạn ơi

Giúp mk câu này vs, cảm ơn nhìu

Vẽ tự do. Không chép mạng. Có chữ kí.

Viết đoạn văn tầm 600 từ về 1 nội dung mà anh chị tâm đắc nhất trong tác phẩm Vợ nhặt của Kim Lân.

I. Chọn từ có phần gạch chân được phát âm khác so với các từ còn lại. 1 A. fixed B. played C. worked D. stopped 2 A. children B. chair C. chemistry D. chat 3 A. good B. blood C. foot D. look II. Chọn từ có trọng âm chính rơi vào vị trí khác so với các từ còn lại. 1. A .attract B. decide C. destroy D. open 2. A .provide B. answer C. invite D. destroy PHẦN B: NGỮ PHÁP VÀ TỪ VỰNG (4,0 điểm) I. Cho dạng đúng của các từ trong ngoặc để hoàn thành các câu sau. 1. Nam would travel around the world if he (be) _______________ rich. 2. Jane hates (listen) ________________ to rock music. 3.My teacher told us (not make) ________________ much noise in class. 4. They (live) ________________ in Thanh Hoa city since last Sunday. 5.If I were you , I (study) _______________ harder. III. Chọn một từ đúng trong ngoặc để hoàn thành mỗi câu sau. 1. My brother was born in 1990 ________________ Thanh Hoa city. (in/ on) 2. I bought this computer 4 days ________________ . (ago/ now) 3. The film started a few minutes ago, ________________ ? (didn't it/ doesn't it) 4. The woman ________________ is our teacher has been to Canada. (who/ which) 5. ________________ he studied hard, he failed his exam. (Although/However) II. Chọn một đáp án đúng trong số A, B, C hoặc D để hoàn thành mỗi câu sau. 1. Nam often play football _______ 7 o’clock in the morning. A. at B. on C. for D. in 2. They have visited to Ha Long Bay since 2003 , ______________ A. have they B. didn’t they C. haven’t they D. did they 3. ______________ you work harder , you are going to fail your exam. A. Although B. Because C.If D. Unless 4. Do you mind __________________ me to take these chairs away ? A. to help B. helping C.helped D. to help 5. Nam doesn’t enjoy looking ______ the children. A. for B. down C. up D. after 6. Where are the photos ____________ were taken at the Christmas party? A. whom B. which C. who D. whose 7. My children are very ___________ about going to the zoo. A. excited B. interesting C. interested D. exciting 8. –“What does your father do?” -“He’s ____________ engineer. A. a B. the C. an D. x 9. The doctor _________ me not to stay up too late at night. A. advised B. suggested C. insisted D. forced 10. Nam: “Congratulations on your success!” Hoa: “__________.” A. You’re welcome B. No, thanks C. That’s very kind of you D. Yes, of course PHẦN C: ĐỌC HIỂU( 3.0 điểm ) I. Đọc và chọn một từ thích hợp đã cho trong khung điền vào mỗi chổ trống để hoàn thành đoạn văn sau. After English surprised learning picked When I first started (1) _________ English ten years ago . I could hardly say a word - “ hello” , “goodbye”, “thank you” was just about it ! I went to classes two evenings a week and I was (2) _________ at how quickly I made progress during the course we learned lots of vocabulary and studied grammar rules . The thing I enjoyed most was being able to practice (3) _________ with the other students in my class. ( 4) _________ two years I went to England to a language school .It was in Cambridge . I did a three – week course at a very good school and I stayed with a local family . It was a fantastic experience and I (5) ________up a lot of new language from speaking with my host family and with other students from all over the world . I really improved my pronunciation as well. When I got back to Spain , I was so much more confident . I could actually hold a conversation with my teacher in English.