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【简答题】
下图箭头所指方向是瓦楞纸箱的纵压线还是横压线?
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Western nations have older and shrinking populations since they entered the 21 st century and their________birth rates have also posed problems.
A.
flucturating
B.
investigating
【单选题】Western nations have older and shrinking populations since they entered the 21st century and their _____ birth rates have also posed problems.
A.
fluctuating
B.
flourishing
C.
enlightening
D.
motivating
【单选题】Western nations have older and shrinking populations since they entered the 21st century and their ______ birth rates have also posed problems.
A.
fluctuating
B.
enlightening
C.
investigating
D.
preserving
【单选题】Western nations have older and shrinking populations since they entered 21 st century and their _____ birth rates have also posed problems.
A.
high
B.
lowering
C.
fluctuating
D.
improving
【单选题】Western nations have older and shrinking populations since they entered the 21st century and their _______ birth rates have also posed problems.
A.
revolving
B.
investigating
C.
restoring
D.
fluctuating
【判断题】在实际计算中，如果需要得知EMS直达国家、航空邮政包裹的运费，请输入实际重量进行计算：如果需要得知UPS、DHL、TNT、FeEx、EMS非直达国家的运费，请输入实际重量和体积重量两者之中较高的数值进行计算。
A.
正确
B.
错误
【单选题】Western nations have older and shrinking populations since they entered the 21st century and their ______ birth rates have also posed problems.
A.
fluctuating
B.
enlightening
C.
investigating
D.
implementing
【简答题】在英语中,I的宾格、形容词性物主代词、名词性物主代词分别是__、___、____。
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