单选题It’s hard to get data on cloud cover because______.Athe information from satellites is useless.Brecent satellite data is not enough.Chuman observations are less acute than satellite data.Dsatellite data can’t he combined with human observations.
单选题
It’s hard to get data on cloud cover because______.
A
the information from satellites is useless.
B
recent satellite data is not enough.
C
human observations are less acute than satellite data.
D
satellite data can’t he combined with human observations.
参考解析
解析：
事实细节题。由题干信息定位至第四段开头。由第二句可知获取关于云量的数据的难度在于B信息不足，并非useless，故排除A；第四段第三句提及the two sets were surprisingly in sync，故排除C；第四段第三句Clement and her colleagues combined recent satellite data with human observations，而非两者不能结合，故排除D。
事实细节题。由题干信息定位至第四段开头。由第二句可知获取关于云量的数据的难度在于B信息不足，并非useless，故排除A；第四段第三句提及the two sets were surprisingly in sync，故排除C；第四段第三句Clement and her colleagues combined recent satellite data with human observations，而非两者不能结合，故排除D。
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