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。
9.Which statement does the text lead you to believe?
A. Solar activities do no harm to our daily life.
B. Hurricane Katrina is also a type of solar storms.
C. It's difficult to predict sunspots.
D. From now on there're no sunspots.
答案:C 推理判断题。从最后一段可推知太阳黑子是不好预测的,故C项正确。
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