A. studying
B
Kiến thức: từ vựng
Giải thích:
study (v): học tập compare (v): so sánh
research (v): nghiên cứu combine (v): kết hợp
Đáp án: B
Which of the following is closest in meaning to crux in paragraph 4?
The changes possibly caused by the cell phones are mainly concerned with ____________.
The man mentioned in the passage, who used his cell phone too often, ____________.
Compared to preindustrial times, the number of hours in the workweek in the nineteenth century______.
According to the article, which quality will technology never be able to replace?
Many studies on emotional expressions try to answer the question whether _________.