Level 44: Find the words that have opposite meaning with underline word After a grueling and busy week at work, the stillness of the river report Lara of the silence.

Level 44: Find the words that have opposite meaning with underline word After a grueling and busy week at work, the stillness of the river report Lara of the silence. Answer A Explanation: stillness: stillness > tranquility: quietness serenity: clear sky and clear clouds tameness: docility =============== Link Hoc va de thi 2021

Một búa máy có khối lượng m = 400kg thả rơi tự do từ độ cao 5m xuống đất đóng vào một cọc có khối lượng M = 100kg trên mặt đất làm cọc lún sâu vào trong đất 5cm. Coi va chạm giữa búa và cọc là va chạm mềm. Cho g = 10m/s2. Tính lực cản coi như không đổi của đất.

Một búa máy có khối lượng m = 400kg thả rơi tự do từ độ cao 5m xuống đất đóng vào một cọc có khối lượng M = 100kg trên mặt đất làm cọc lún sâu vào trong đất 5cm. Coi va chạm giữa búa và cọc là va chạm mềm. Cho g = 10m/s2. […]

Level 47: Find the words that have opposite meaning with underline word After many months of grueling work and painful injuries to her shoulder and back, Susan realized that her dream of swimming the English Channel was unattainable.

Level 47: Find the words that have opposite meaning with underline word After many months of grueling work and painful injuries to her shoulder and back, Susan realized that her dream of swimming the English Channel was unattainable. – Question and Answer English online Link Hoc va de thi 2021

Level 49: Find the words that have opposite meaning with underline word Maureen usually feels depressed on Mondays, because she never got enough sleep on the weekends

Level 49: Find the words that have opposite meaning with underline word Maureen usually feels depressed on Mondays, because she never got enough sleep on the weekends A. unhappy B. cheerful C. glum D. understand The answer is NO Explain: Depressed (a) depressed > =============== Link Hoc va de thi 2021

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