A. disappeared
Giải bởi Vietjack
C
Kiến thức: từ vựng
Giải thích:
disappear (v): biến mất vanish (v): biến mất
kill (v): giết extinct (adj): tuyệt chủngWhich of the following is closest in meaning to crux in paragraph 4?
The changes possibly caused by the cell phones are mainly concerned with ____________.
According to the passage, what makes mobile phones potentially harmful is ____________.
What does the author mean by stating that “function should determine form”?
Many studies on emotional expressions try to answer the question whether _________.
According to the text, what dose the increase of candle sales illustrate?
Which of the following is NOT mentioned as evidence that the length of the workweek has been declining since the nineteenth century?
