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6. The company installed a firewall to.......its computer security. a. beef up b. open up c. put up with d. turn up 7. The city's crime..........has dropped five percent over the last year. a. goal b. pressure c. rate d. therapy 8. Neutral colors like brown and gray are often.......with casual clothes. a. association b. associated c associative 9. Being more.......active is one of the best things you can do for yourself. a. physique b. physical c physically 10. She was so angry that her hands were...........shaking with rage. a. literalist b. literal c. literally

1. The actors last movie...........his best work. a. was far from b. was fun to c was traced back d. was wiped out 2. The committee suggested a...........plan to deal with the problem, but the plan won't solve things completely. a. physical b. little c. short-term d. higher 3. The process is more complicated than I had...........thought. a. initially b. literally c. permanently d. physically 4. In the next chapter, we will learn about the...........of the moon around the Earth. a. dilemma b. goal C. mass d. motion 5. The survey results showed that...........who drive have relatively few accidents. a. abilities b. babies c rhythms d. seniors

Ta ngồi trước quạt đang quay thì thấy mát là do quạt quay tạo ra luồng không khí mát. Điều đó đúng hay sai? Giải thích?

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Để đánh số trang sách có 2021 trang cần dùng bao nhiêu chữ số.