Một công nhân xây dựng đã sử dụng ròng rọc động để nâng một khối vật liệu nặng 0,6T lên cao 10m trong 30s ( bỏ qua lực ma sát). Tính a) đoạn dây cần phải duy chuyển vật lên b) công suất của ròng rọc

I.Verbs of reporting. 1. People believe that 13 is an unlucky number. .................................................... 2. They think that he has died for many years. .................................................... 3. They say that John is the biggest student in class. ................................................... 4. They thought that she won the first prize. ................................................... 5. They know that English is an international language. .............................................. 6. People said that he was living in London. ..................................................... 7. Someone says that she has got married. .................................................... 8. They said that she was a famous artist. .................................................... 9. People said that he was jealous of her. .................................................... 10. People say that there is oil under the sea. . ...................................................

chứng minh rằng a 1/4 +1/16+1/36+1/64+1/100+1/144 +1/196+......+1/10000 <1/2

liệt kê các động từ chỉ sở thích đi với toV và V-ing và những động từ nào chỉ đi với V-ing

giải thích chi tiết nha Càng nhanh càng tốt nhé mk sẽ vote 5s+ cảm ơn+ctlhn : cho bạn gt chi tiết và nhanh nhất nhé

Sử dụng biện pháp so sánh để tạo những câu văn sinh động, gơi cảm để tả: aTiếng mưa rơi b Tiếng gió thổi c Xe chạy tấp nập D. người đi nườm nượp e Cảnh tĩnh mịch vắng vẻ lúc trưa hè ở miền quê

Calli: THCS Yên Hòa NL: Có bạn nào 2k10 ở Hà Nội ko nhỉ?:>

Communal house/usually/largest/tallest/and/most elaborate/building/the village

giải bất phương trình $\dfrac{-3}{x+2}$ < $\dfrac{2}{3-x}$

VIẾT NGUYÊN ĐÁP ÁN HỘ MIK Ạ !!!! CẢM ƠN !!!!! HOW TO COMPLAIN IN SHOPS People love to complain - Moaning to friends can be a source of relief from the (1)______ and strains of work, study or relationships. But when it comes to protesting to a retailer about (2)______ good and services, many of us find we don't have the nerve and choose to (3)______ in silence. By the time we do eventually summon up the courage to make our (4)______, we have generally already allowed the problem to get to us, and we are angry. In this (5)______, we can all too easily become aggressive, gearing up for battle and turning what should be a rational discussion into a conflict. To complain effectively you need to be specific about your problem and communicate it clearly using words which are objective and fair. (6)______ over the top with emotional language and unreasonable claims will get you nowhere. Good negotiators tend to be calm and logical. They start by explaining the situation and stating their requirements clearly, without threat. Most complaints prompt a defensive (7)______ from the other person, but by being reasonable yourself, you stand more chance of achieving the positive (8)______ you want. If you feel angry or upset about what has happened, by all means tell the company, but do so calmly, (9)______ that you understand the situation from all points of view, but explaining that you will do if your complaint is ignored. Be sure to remember, however, that it is unwise to (10)______ threats unless you are in a position to carry them out. 1. A. pressures B. pains C. stresses D. struggles 2. A. faulty B. inexpert C. improper D. scruffy 3. A. stick B. suffer C. stay D. suppress 4. A. turn B. mark C. point D. say 5. A. state B. form C. manner D. mode 6. A. Being B. Going C. Getting D. Feeling 7. A. regard B. respect C. revenge D. response 8. A. fallout B. turnout C. outcome D. output 9. A. revealing B. exhibiting C. displaying D. demonstrating 10. A. carry B. bear C. do D. make