De on HSG 12 (co Key )
De on HSG 12 (co Key )
... mention III. In developing nations, the (3 1) _____ of food is the primary cause of malnutrition. Famine, drought, war, and (3 2) ____________ systems of food distribution contribute to the (3 3) ________ ... (3 5) ________ of agriculture and poor policy decisions have resulted in (3 6) _______ diets. In addition to (3 7) _______ disorders, there are certain diseases that co...
DE ON HSG 12 + KEY
... không hợp lệ hoặc file đã bị xóa (violet.vn/uploads/resources/276/86602//DEONHSG12%2 0KEY. doc) Quay trở về http://violet.vn
De HSG 12 (co Key)
... committee decided that the crash was not the pilot’s fault. (blame) → The committee …………………………………………………… the crash. 8. Judy was the only one who answered the question correctly.(apart) → Everyone got ... C. occasion D. event 12. - Is the lift still working?. - No , it’s ________ Let’s use the stairs. A. out of work B. impossible C. in danger D. out of order 13. It’s wonderful here tonight !...
Đề thi HSG 12 có đáp án
... số: 12 )1 ()( + += n xxf = 121 2 12 44 12 33 12 22 12 1 12 0 12 ++ ++++++ ++++++ nn nnnnnn xCxCxCxCxCC . Ta có n xnxf 2 )1 ) (12( )( ' ++= = = nn nnnnn xCnxCxCxCC 212 12 34 12 23 12 2 12 1 12 )1 2( 432 ... +++++ ++++++ . Do đó =+= 1 2) 2(' nf = 12 12 24 12 33 12 22 12 1 12 2 )1 2( 2.42.32.2 + +++++ ++++ n n n nnnn CnCCCC Suy ra: 200...
Đề ôn ĐH 12 có đáp án
... :Câu IV.b ( 2,0 điểm ) : a) 1đ Từ giả thiết ta tính được : B(a;0;a), D(0;a; 0) , A(0;0;a) , M( a ;0;a) 2 , N(a; a 2 ; 0) . a a AN (a; ; a) (2;1; 2) 2 2 BD' ( a;a; a) a(1; 1; 1) = − = − = − − = ... phương trình x 2 y 1 x + = − ) Câu II ( 3,0 điểm ) a) 1đ Điều kiện : x > 1 . 2 2 x x pt log (2 1). [1 log (2 1)] 12 0 ( 1) − + − − = Đặt : 2 x t log (2 1)=...
ĐỀ ÔN THI ĐH-SỐ 12( CÓ KEY)
... different ways of comparing (B) the economy of one nation with those (C) of another(D). 74. Drug addition has ( A) resulted of (B) many destroyed (C) careers and expulsions (D)from school or college. ... different ways of comparing (B) the economy of one nation with those (C) of another(D). 74. Drug addition has ( A) resulted of (B) many destroyed (C) careers and expulsions (D)from school or...
Đề thi Thử TN 12 và Đề ôn thi ĐH có đáp án
... married next year.
C©u 44. A donkey is not as beautiful as a horse.
A. A donkey is more beautiful as a horse. B. A donkey is less beautiful than a horse.
C. A donkey is beautifuler than a horse. ... jogging shoes. Shoes designed for jogging are more durable (1 4) the conditions. Jogging shoes are designed
to be more stable (1 5) .regular walking shoes. They are also made (1 6) qu...
Đề ôn HSG toán 9-có đáp án
... điểm): Cho hình vuông ABCD. Qua A vẽ một cát tuyến bất kỳ cắt các canh BC và
CD ( hoặc đường thẳng chứa các cạnh đ ) tại các điểm E và F. Chứng minh rằng:
2 2 2
1 1 1
AE AF AD
+ =
Bài 6( 2 điểm): ... +
÷ ÷ ÷
=
a b b c c a
a b c
+ + +
÷ ÷ ÷
=
( )c
a
−
.
( )a
b
−
.
( )b
c
−
=
abc
abc
−
= 1
Nếu a + b + c
≠
0
⇒
a = b = c
⇒
P = 2.2.2 = 8
Bài 2...