The author refers to his clearest memory of Samarkand as "humble" because ______.
A.it was an ordinary scene that he remembered
B.it was his last night in the city and his last memory
C.the elm trees were older than Genghis Khan
D.the trees looked impressive in the evening light
The photographs of Mars taken from satellites are______than those taken from the earth.
A.much clearer
B.the clearest
C.clearest
D.more clearer
A. clear
B. much clearer
C. more clearer
D. the clearest
European and American scientific teams have been studying ice from the same area to confirm each other's findings. They measured the oxygen and carbon dioxide in the ice for the temperature. From these measurements, the scientific teams say that the past 10,000 years is the only period during which temperature has not changed very much.
According to the news, ice from Greenland gives information about
A.oxygen.
B.ancient weather.
C.carbon dioxide.
D.temperature.
Scientists took the ice from more than 1.5 miles deep in huge masses of ice that float on the sea. The ice represents 25,000 years of history. (23[B])It provides one of the clearest records of ancient weather.
(24[C])European and American scientific teams have been studying ice from the same area to confirm each other's findings. They measured the oxygen and carbon dioxide in the ice for the temperature. From these measurements, (25[D])the scientific teams say that the past 10,000 years is the only period during which temperature has not changed very much.
According to the news, ice from Greenland gives information about ______.
A.oxygen
B.ancient weather
C.carbon dioxide
D.temperature
Kids deprived of access to good libraries are also being kept from developing the information skills they need to keep up in workplaces that are increasingly dependent on rapidly changing information. The ability to conduct research is probably the most essential skill today's students can have. The knowledge students acquire in school is not going to serve them throughout their lifetimes. Many of them will have four to five careers in a lifetime. It will be their ability to navigate information that will matter.
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