Level B lesson 31 pot

... reaches Level < /b> B lesson 31 1. …………. business, a merger is a combination of two or more corporations under one management. D A. The B. At C. On D. In 2. …………. of commodities by air began in ... mankind’s first inventions. C A. how B. when C. which D. about 15. …………. children master the basics, advanced development becomes easier. B A. The B. Once B. the desire to...

Ngày tải lên: 24/07/2014, 19:20

... quiet suburb B. only quiet suburb was C. quiet suburb only was D. suburb was quiet only Level < /b> B lesson 29 1. Poison oak generates irritating poisons …………. even if people merely brush against ... C A. establish B. establishing C. established D. which establish 15. Built at the beginning of the century, the Library of Congress houses one of the largest …………. collections...

Ngày tải lên: 24/07/2014, 19:20

... and the most beautiful. C A. ever were put B. were ever putted 4. Richard Nixon had been a lawyer and …………… before he entered politics. B A. served in the Navy as an officer B. an officer ... painting B. painted C. for painting D. to paint Level < /b> B lesson 24 1. The mausoleum is …………… by Thien Thu mountain, two towering columns and a vast expanse of water. C A. feed B....

Ngày tải lên: 24/07/2014, 19:20

... S.ABC, biết đáy ABC là một tam giác đều cạnh a, mặt b n (SAB) vuông góc với đáy, hai mặt b n còn lại cùng tạo với đáy góc a. Câu V: (1 điểm) Cho ,,abc là những số dương thoả mãn: 2 2 2 3abc . ... 25AB Gọi 22 0 0 0 0 ( ; ) ( ) 5 16 80.M x y E x y Ta có: 0 0 0 0 2 3 2 3 ( ; ) 1 4 5 x y x y d M AB Diện tích MAB: 00 1 . . ( ; ) 2 3 2 S AB d M AB x y Áp dụng b t đẳng thức Bu...

Ngày tải lên: 30/03/2014, 18:20