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【单选题】
Cumulus clouds that have undergone vertical development and have become cumulonimbus in form，indicate ______．
A.
clearing weather
B.
that a warm front has passed
C.
probable thunderstorm activity
D.
an approaching hurricane or typhoon
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】个人、企业或经济组织，利用其垄断技术和对市场的支配优势，限制其他个人、企业或其他经济组织进人市场和自由竞争以及条件不对等的歧视性做法称为()
A.
不公平竞争
B.
贸易限制
C.
限制性商业惯例
D.
贸易歧视
【单选题】--Will you please give the note to him?-- ______________.
A.
Certainly, I'll give it to him
B.
No, please not
C.
Sorry, I don't
D.
Yes, please do