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【单选题】
下列关于水分循环的说法中，错误的是（）A.
太阳辐射和重力是水分循环的主要源动力；
B.
水分循环仅发生在水圈和之间；
C.
水分循环总是伴随着物质和能量的输送；
D.
水分循环是人类赖以生存的水资源成为可再生资源的关键。
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【简答题】In the United States the most popular form of folk dancing has been square—dancing since the earlier days．In those days，men and women worked in groups to build a house or harvest crops．When the work w...
【单选题】The statue standing in the middle of the square has been built _______ those who sacrificed their lives for people but expected nothing _______.
A.
in memory of; in return
B.
with memory of; for return
C.
in honor of; in award
D.
with honor of; in reward
【简答题】机体调节钙磷代谢的激素主要有 、 和 。
【单选题】—Has the design of the city square been decided? —No, it’s still ______ to suggestions.
A.
open
B.
welcome
C.
ready
D.
hopeful
【单选题】Which of the following descriptions about the Pioneer Square is INCORRECT?
A.
The square has survived lean financial times.
B.
It is only a center of art galleries.
C.
It once became a Wild West Main Street lined with brothels.
D.
The square was once a Native American village.
【单选题】Square dancing ________ to help maintain fitness has caused conflicts between the Damas and the neighboring residents.
A.
claiming
B.
claimed
C.
having claimed
D.
to claim
【简答题】调节钙磷代谢的激素有 、 、 。
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