6.The sun watchers feel surprised at________.
A. the longest sunspots' absence
B. the largest sunspot number
C. the malfunction of electronic devices
D. the serious damage by sunspots
答案:A 细节理解题。从文章第二段可知太阳黑子长时间的消失让太阳观测者很吃惊。
7.What does the underlined word “crescendo” in Paragraph 3 most probably mean?
A. small number
B. high level
C. usual cycle
D. fresh start
答案:B 词义猜测题。从画线词前面的solar minimum和其后的the next solar maximum可知太阳黑子和太阳风暴会在一年内形成新高潮,故答案为B。
8.We can infer that in the past two years________.
A. solar activities have brought much trouble to our life
B.
the
number
of
sunspots
has
increased
to
a large extent
C. the solar minimum took the place of the solar maximum
D.our cellphones have seldom been interrupted by the solar storm
答案:D 逻辑推理题。从第一段可知手机故障可能是由太阳风暴引起的,再结合第二段For the past two years, sunspots have mostly been missing.可推知D项正确。
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