Mark the letter A, B, C or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions

He was so insubordinate that he lost his job within a week

A. health

B. humour

C. honest

D. happy

Hợp chất nào sau đây có đồng phân hình học?

A. 2-metylbut-2-en

B. 2-clo-but-1-en

C. 2,3-điclobut-2-en

D. 2,3-đimetylpent-2-en

Số cặp anken ở thể khí (đktc) thỏa mãn điều kiện: khi hiđrat hóa tạo thành hỗn hợp gồm 3 ancol là

A. 6

B. 7

C. 5

D. 8

Mark the letter on your answer sheet to indicate the word/phrase that is CLOSEST in meaning to the underlined part

The question of why prehistoric animals became extinct has not been conclusively answered.

A. predominantly

B. extensively

C. especially

D. decisively