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khanhquynh1092014
2 năm trước
chất nào tác dụng được với nhau cao, so2, fe2o3, h2o, h2so4, h2so4 đặc, naoh, c, cl2, co, co2, al, fe, cu, nacl, sio2
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Các câu hỏi liên quan

I. Put the words into the THREE groups ( /s/, /z/ and /iz/). Books, doors, windows, boards, clocks, bags, pencils, desks, schools, classrooms, students, teachers, couches, benches, glasses, brushes, maps, sinks, beds, calculators, villas, lamps -/iz/:………………………………………………………............... -/s/:………………………………………………………................ -/z/:………………………………………………………................ II.Circle the correct answer A, B, C or D. 1. There………a big table and some chairs………the right………the bed. A. is-on-in B. are-on-of C. are-in-on D. is-to-of 2. There are many books and things on the floor. It’s really…….. A. clean B. messy C. interesting D. tidy 3. There aren’t any pillows……....the bed. A. on B. in C, behind D. in front of 4. Are there……… pictures in your bedroom, David? A. some B. three C. the D. any 5. John……… his mother cook dinner at 6p.m A. usually help B. usually help C. help usually D. helps usually 6. Hue lives…….... an apartment……….. Hanoi……….. her uncle and aunt. A. in-on-at B. at-in-with C. in-in-with D. at-at-near 7. There is a big photoof her family………. Her room’s wall. A. on B. in C. between D. among 8. It’s called the Riverside Hotel……….. it is near Red River. A. because B. but C. so D. like 9. Do you often………. your bicycle to school? A. drive B. rides C. drives D. ride 10. ………..your favorite subject at school? A. What B. What’s C. What’re D. Who’s Các bạn giúp mk nhé ai làm nhanh mk cho 5sao và câu trả lời hay nhất.Help

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