如果被管理者训练有素，有较强的工作能力和丰富的工作经验，则（）。A．企业的管理层次可

One day Jack met his good friend Sue in the park.A dog was looking up at the woman beside her.

　  Jack walked up to Sue and said, “Hello, how are you? May I sit and talk with you for a moment?” “Of course, please sit down,” Sue said.Jack sat down next to Sue on the bench, and they talked quietly together.The dog continued to look up at Sue, as if( 似乎) waiting to be given some food.

　 “That's a nice dog, isn't he?” Jack said, pointing at the animal.

　 “Yes, he is.He's handsome.He's strong and healthy.”

“And hungry,” Jack said.“He hasn't taken his eyes off you.He thinks you've got some food for him.”

　 “That's true,” Sue said.“But I haven't.”

　　They both laughed and then Jack said, “Does your dog bite（咬）?”

　　“No, ”Sue said, “ He's never bitten anyone.He's always gentle and friendly.”

　　Hearing this, Jack decided to hold out his hand and touched the animal's head.Suddenly it jumped up and bit him.

　　“Hey!” Jack shouted.“You said your dog didn't bite.”

　　Sue answered in surprise, “Yeah, I did.But this is not my dog.My dog is at home.”

小题1:Jack and Sue were ________.

A．friends

B．neighbours

C．classmates

D．brother and sister小题2:The dog looked at the woman because _______.

A．the woman wanted to feed him

B．the woman was friendly

C．he was strong and healthy

D．he was hungry小题3:Jack touched the dog because he believed _______.

A．the dog was handsome

B．Sue's dog was unfriendly

C．the dog belonged to Sue

D．Sue's dog was at home小题4:We can guess from the story that _______.

A．Sue gave a wrong answer

B．Jack made a mistake（错误）

C．the dog wasn’t dangerous

D．both Jack and Sue liked the dog小题5:Which of the Following can be the best title of the passage?

A．A Wrong Question

B．Sue's Dog

C．A pleasant talk

D．Sue's Friend

某湖湖内治理工程分湖内浅槽工程和治理工程两大部分。本次湖内浅槽工程，就是为了进一步提高该湖的泄洪能力，在阻水严重的湖内卡口地段利用开挖浅槽清除芦苇和人为障碍，形成行洪通道，湖内浅槽工程完工后将与湖东堤、湖西堤等工程结合，使该湖防洪标准达到五十年一遇。浅槽全长8.0km，底宽500m，底高程30.79m，具体参数如下表所列。工程治理由堤防加固工程、河道整治工程、建筑物工程、防汛道路工程及工程管理设施等组成。

湖内浅槽工程对水环境的影响的污染源不包括（）。

A.排泥场回水

B.施工人员生活污水

C.施工产生的废水

D.回灌的湖水

流体在管流中，当雷诺数Re在（）之间时，流体流态为过渡流。

A、1000~3000

B、2000~4000

C、1000~2000

D、2000~3000

促进胆固醇酯化的物质是（）。

A.载脂蛋白B

B.载脂蛋白E

C.卵磷脂胆固醇脂酰转移酶

D.磷脂转运蛋白

E.脂蛋白脂肪酶

根据中华人民共和国最高人民法院《关于审理专利纠纷案件适用法律问题的若干规定》的司法解释中规定：侵犯著作权的诉讼时效自著作权人知道或者应当知道侵权行为之日起计算。权利人超过（）起诉的，如果侵权行为在起诉时仍在持续，在该著作权保护期内，人民法院应当判决被告停止侵权行为；侵权损害赔偿数额应当自权利人向人民法院起诉之日起向前推算两年计算。

A、三年

B、两年

C、一年

D、五年