What does the phrase “the wake-up call” in Paragraph 3 most probably mean?
A. a new disease B. a clear warning
C. a dangerous animal D. a morning call
正确答案:B
What does the phrase “the wake-up call” in Paragraph 3 most probably mean?
A. a new disease B. a clear warning
C. a dangerous animal D. a morning call
正确答案:B