I. Choose one word whose stressed pattern is different from that of the other words. Write your answer in the answer sheet

1. A. survive B. fashionable C. palace D. memory.

Mk làm đc 1 câu nek

chúc bn hc tốt !

Ta có: A=4⁰+4¹+4²+...+4⁹⁹

=>A=(4⁰+4¹)+(4²+4³)+...+(4⁹⁸+4⁹⁹)

=>A=(1+4)+4².(1+4)+...+4⁹⁸.(1+4)

=>A=5+4².5+...+4⁹⁸.5

=>A=(1+4²+...+4⁹⁸).5 chia hết cho 5

=>A chia hết cho 5