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.
A chronic lack of sleep may make us irritable and reduces our motivation to work.
Giải chi tiết:
irritable = dễ cáu; calm = bình tĩnh.
Population growth rates vary among regions and even among countries within the same region.
Around 150 B.C. the Greek astronomer Hipparchus developed a system to classify stars according to brightness.