Câu hỏi: Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer for each of the blanks from 25 to 29.
Probably the most important (25) ___________ governing the severity of forest fires is weather. Hot, dry weather lowers the moisture. Once a fire has started, wind is extremely critical (26) ___________ it influences the oxygen supply and the rate of spread. Forest type and forest conditions (27) ___________ also important factors. Some fires are caused by lightning; others are caused by people. Those caused by people may be (28) ___________or intentional. The causes of fire in the United States show large regional differences. In the rocky mountains, more than 70% of the fires are caused by lightning, whereas intentional fires mount to only about 1%. In (29) ___________, more than 40% of the fires in the South are incendiary, whereas lightning causes only 1%.
The word or phrase which best fits the gap (28) is...
A. accidence
B. accident
C. accidental
D. accidentally
Probably the most important (25) ___________ governing the severity of forest fires is weather. Hot, dry weather lowers the moisture. Once a fire has started, wind is extremely critical (26) ___________ it influences the oxygen supply and the rate of spread. Forest type and forest conditions (27) ___________ also important factors. Some fires are caused by lightning; others are caused by people. Those caused by people may be (28) ___________or intentional. The causes of fire in the United States show large regional differences. In the rocky mountains, more than 70% of the fires are caused by lightning, whereas intentional fires mount to only about 1%. In (29) ___________, more than 40% of the fires in the South are incendiary, whereas lightning causes only 1%.
The word or phrase which best fits the gap (28) is...
A. accidence
B. accident
C. accidental
D. accidentally
Chỗ trống này cần một tính từ để mô tả nguyên nhân các ngọn lửa do con người gây ra và để tương ứng với tính từ đứng ngang hàng với nó (intentional)
Đáp án C.