判断题：物流系统中存在着各种制约关系，这些制约关系也称为二律悖反原理。（）

题型：判断题

果农冯某承包有100亩苹果园，2000年秋季获得了大丰收，但冯某不懂得销售的途径和方法，在农村的集市上销售量又很小，遂委托市里的远房亲戚陈某在市里代为销售，并处理相关事宜，双方约定：苹果最低每斤0.8元，陈某按销售总额的15%提成，于每次陈某交还货款时结算；陈某根据市里苹果需求量的大小及时通知冯某，以便冯某准确向陈某送货。合同签订后，陈某即积极活动，先后以自己的名义与王母阁市场和解放路市场签订了每天供应500公斤苹果的合同，每斤价格为0.85元，并与汤某等商贩口头约定可到自己家里随时提货，价格面议。请回答下列问题：

对于陈某签订合同和每天向市场送货所花的费用，如果双方没有约定，那么：

A．冯某无须预付

B．陈某可以垫付

C．陈某可以要求冯某预付

D．陈某垫付的费用，冯某应当偿还并支付利息

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完形填空。
If you were in trouble, what would you do? Would you wait, ask for help or __1__ it by yourself? Once, a terrible flood (水灾) destroyed (毁坏) a village. A man was trapped (困住) in the flood. The water was all around him in front of a house, __2__ he was not very scared because he always believed in God. He thought God was coming for his safety. At that moment, a big wooden board came. If he caught it, the board would __3__ him out, but the man kept waiting for God. He didn't take a(n) __4__ at it at all. Then a small boat drifted (漂流) by, but the man still kept waiting and did nothing. The water was deeper and deeper. The two people in another boat were __5__ him and shouted to him, "Come on and go with us!" But the __6__ man stayed there and kept waiting for God. You can guess the result easily. The man died in the end. When he saw God in heaven, he complained to God, " _7 didn't you save me?" God said he had tried to save him. The big wooden board, the small __8__ , and the two men were all the things that he had sent to help him, but the man __9__ them. From this we can see that God helps those who help __10__. If you don't help yourself, God won't help you, either.
( )1. A. cause ( )2. A. and ( )3. A. keep ( )4. A. pride ( )5. A. offered ( )6. A. bad ( )7. A. Why ( )8. A. house ( )9. A. received ( )10. A. themselves	B. deal B. but B. let B. look B. worried about B. friendly B. When B. wood B. refused B. herself	C. solve C. so C. help C. attention C. thanked C. confident C. Where C. boat C. hated C. himself'	D. aid D. though D. allow D. decision D. treated D. poor D. Who D. child D. loved D. yourselves