The author feels that the number sense displayed by Genus Eumenus is ______.
A. more remarkable than that of a crow
B. less convincing an instance than that displayed by the crow
C. actually not an instance of what the author is discussing
D. restricted to the female of this species
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The crow was finally deceived because ______.
A. it was not afraid of her men in the tower
B. it did not have a number sense
C. it could not distinguish between four and five
D. it was evening and the crow was unable to count the hunters
下列叙述中哪项是正确的( )。
A. 增强药物的脂溶性使活性增强
B. 减低药物的脂溶性使活性降低
C. 增强药物的水溶性使活性增强
D. 减低药物的水溶性使活性降低
E. 适当的脂溶性将有最佳的活性
______ is written by Fitzgerald.
A. Tender Is the Night
B. A Farewell to Arms
C. The Grapes of Wrath
D. The Sound and the Fury
______ is the largest river in Americ
A. The New York RiverB. The Mississippi RiverC. The Ohio RiverD. The Colorado River
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