Cho tam giác ABC, các đường trung tuyến BD và CE cắt nhau ở G. Cho biết $ BD < CE. $
Chọn khẳng định đúng.
A. $ \widehat{GBC} > \widehat{GCB}. $
B. $ BG > CG. $
C. $ \widehat{GBC} < \widehat{GCB}. $
D. $ \widehat{GBC}=\widehat{GCB}. $

Cho tam giác DEF với ba trung tuyến DM, EN, FP và trọng tâm G. Cho các khẳng định sau:
Chọn.khẳng định đúng.
A.(1) và (2) đúng.
B.(1) và (4) đúng.
C.(2) và (3) đúng.
D.(2) và (4) đúng.

Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in each of the following questions
A.control
B.conquer
C.award
D.regard

Choose the word that has the stress differently from that of the other words
A.difficult
B.title
C.honour
D.admire

Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in each of the following questions.
A.secure
B.vacant
C.equip
D.oblige

Choose the word that has the stress differently from that of the other words
A.abroad
B.opinion
C.general
D.surprise

Choose the word that has the stress differently from that of the other words
A.begin
B.enemy
C.position
D.ashamed

Choose the word that has the stress differently from that of the other words
A.realize
B.improve
C.possible
D.comfortable

Mark the letter A, B, C, or D to indicate the word that differs from the rest in the position of the main stress in each of the following questions.
A.survival
B.industry
C.endangered
D.commercial

Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in each of the following questions
A.tremendous
B.enormous
C.luminous
D.autonomous