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【判断题】
对同一作物而言,其生物学下限温度小于等于其活动温度,高于有效温度。A.
正确
B.
错误
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【简答题】在关系数据库标准语言SQL中，实现数据检索的语句（命令）是【】。
【单选题】The moon merely _______ the light of the sun， like a huge mirror hung in the sky。
A.
reflects
B.
demonstrates
C.
transmits
D.
launches
【简答题】TEXT C The temperature of the Sun is over 5,000 degrees Fahrenheit at the suce, but it rises to perhaps more than 16 million degrees Fahrenheit at the center. The Sun is so much hotter than the Ear...
【单选题】Techniques to employ the energy of the sun are being developed
A.
convert
B.
store
C.
utilize
D.
receive
【简答题】The mother told her little daughter that the sun r__in the east.
【简答题】We all know that the earth moves r______ the sun.
【单选题】When the sun ___ in the east, the little hero tried hard ___ the red flag to the top of the pole.
A.
rising… to rise
B.
rose… to raise
C.
rose… raising
D.
rising… raising
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