单选题：When the Cherokees began to leave their lands, __________.

题目内容：

When the Cherokees began to leave their lands, __________. A．they went in cart
B．they went on horsebac
C．they marched on foo
D．all of the abov

参考答案：

答案解析：

Insects thrive all over, from the hottest deserts to the sno

Insects thrive all over, from the hottest deserts to the snow-clad peaks of loft

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社会分化是指原来承担多种功能的某一社会单位变为承担单一功能的多个单位，以及该社会单位由地位相同变为地位相异的现象。在这里，所谓社会单位既指社会个体、社会群体，也

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根据以下材料，回答题。What is the mystery that researchers find hard to explain? A. Honeybe

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One of the sleep problems is waking in the middle of the night，unable to _______

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Have you talked to her lately?A．lastly B．finally C．shortly D．recently

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