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【判断题】
随机抽样即是按照随机原则进行抽样。A.
正确
B.
错误
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A.
Gift cards.
B.
Americans.
C.
$110 million.
D.
CEB TowerGroup projects.
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【单选题】What does the underlined word 'them' in PARAGRAPH FIVE refer to? 查看材料
A.
Parking spaces.
B.
Green belts.
C.
Distant commuters.
D.
Property developers.
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