What would be the best title for this passage? Why are "blue polyethylene bags" mentioned in paragraph 2?

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问题 What would be the best title for this passage?
Why are "blue polyethylene bags" mentioned in paragraph 2?

选项 A、They are used to prop up bananas.
B、They protect growing bananas and speed ripening.
C、They help increase heat and humidity and so prevent injury.
D、Bunches of bananas are always covered with them.

答案B

解析第二段主要讲述用蓝色聚乙烯袋来保护生长的香蕉，使其加速成熟，故选B。

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本试题收录于：公共英语二级笔试题库公共英语（PETS）分类

公共英语二级笔试

公共英语（PETS）

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What would be the best title for this passage? Why are "blue polyethylene bags" mentioned in paragraph 2?

公共英语二级笔试

公共英语（PETS）

Autonomousrobotsareabletomoveanddecidebythemselves.Atasimplelevel,thesecanincluderobotvacuumcleanersthat"de

Whichdaysdoestheman’ssonnotwork?

Publicityoffersseveralbenefits.Therearenotcostsformessagetimeorspace.Anadinprime-timetelevisionmaycost＄250,0

WhatdoesSallydointhesupermarket?

Whatdowelearnfromtheconversation?

Readthetextsfromamagazinearticleinwhichfivepersonstalkedabouttheirattitudetohelping,thepeopleindevelopingco

Wheredoestheconversationmostprobablytakeplace?

Western-styleconversationsoftendevelopquitedifferentlyfromJapanese-styleconversations.AWestern-styleconversationbetw

Arecentstudydemonstratedhowpowerfulafewwordscanbe:Fortycompetitivetennisplayerswereshowndigitalimagesofballs

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A．地尔硫革B．洋地黄C．阿托品D．利多卡因E．胺碘酮治疗前壁心肌梗死并发短阵室速最好选用

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