导体两端的电压为3伏时,导体中的电流为0.3安,导体的电阻为_______欧;如

题型:填空题

问题:

导体两端的电压为3伏时,导体中的电流为0.3安,导体的电阻为_______欧;如果导体两端的电压增大了6伏,则通过导体的电流为_______安,导体的电阻为________欧。

考点:欧姆定律及其应用
题型:填空题
“This Friday we'll have the yearly Egg Drop Challenge,” said our science teacher, Mr. Baker. “You can work alone or with a partner.”
My friend, Cassie, and I smiled at each other. We always worked on projects   36 .
The   37  of the challenge was simple—to build a protective container to keep an egg from breaking when   38  the stadium wall.
I made my sandwich that afternoon while waiting for Cassie.   39   the butter-cream gave me an idea.
“I have a brilliant design for our   40  container!” I said when Cassie arrived. “We can 41 the egg with some butter-cream.”
“Why not put the egg in a basket with a parachute   42 ?” Cassie rolled her eyes. “The parachute is better than that stupid idea.”
I couldn't believe it. Of course we'd had our little   43  in the past, but she'd never called any of my ideas   44  ” before.
“Then I’ll build mine and you build yours!”
  45  words had been out, our friendship was challenged.
When Friday finally arrived, I had to   46   Cassie’s Egg Force One looked pretty good. 47, my Egg-cellent Egg Cream didn't look quite scientific. We kids carried our containers up three stadium steps and dropped them over the side wall. Those whose eggs broke were out; those whose eggs survived   48  three more steps and dropped them again. This would go on till the last egg broke.
After four rounds, only Cassie and I were   49 . I let go of my box. I heard someone say “ew” after seconds. Had my egg broken? I raced down the   50 . The sidewalk was dotted with egg shells(蛋壳) from those   51  drops. Finally I found my little Egg-cellent Egg Cream.
“That looks like egg drop soup, Laura,” Cassie said. She was holding her Egg Force One. My 52  raced. Had she won? I looked at her basket.   53 .
“My egg bounced (弹起)   54 ,” she explained, pointing to a broken shell.
“A tie(平局),” Mr. Baker said.
Cassie looked at me, and her glare(瞪眼) 55 . I laughed. She smiled…
小题1:
A.patientlyB.silently C.togetherD.alone
小题2:
A.functionB.goalC.reasonD.result
小题3:
A.rolled downB.pushed againstC.thrown atD.dropped over
小题4:
A.SpreadingB.BoilingC.BakingD.Holding
小题5:
A.butterB.sandwichC.creamD.egg
小题6:
A.protectB.replaceC.carryD.mix
小题7:
A.followedB.coveredC.attachedD.supported
小题8:
A.ideasB.fightsC.worriesD.challenges
小题9:
A.wrongB.stupidC.brilliantD.scientific
小题10:
A.SinceB.WhileC.ButD.And
小题11:
A.explainB.denyC.admitD.prove
小题12:
A.ThereforeB.AnywayC.OtherwiseD.Besides
小题13:
A.paced downB.turned aroundC.walked upD.went back
小题14:
A.leftB.wantedC.chosenD.discovered
小题15:
A.stepsB.wayC.wallD.sidewalk
小题16:
A.intendedB.unexpectedC.failedD.desired
小题17:
A.eyesB.handsC.feelD.heart
小题18:
A.LostB.DirtyC.BrokenD.Empty
小题19:
A.aroundB.outC.inD.down
小题20:
A.returnedB.remainedC.increasedD.softened
题型:填空题

形成无形资产费用的估算包括( )。

A.专利权和商标权的估算

B.非专利技术的估算

C.土地使用权的估算

D.特许权的估算

题型:填空题

甲、乙、丙系三兄妹。2010年父母去世后留下房产一处,由甲居住。2011年1月,甲持房屋产权证到房地产管理部门办理产权变更,将房屋登记在自己一人名下,并取得房屋产权证书。2011年9月,甲将该房屋卖给丁,丁付给甲房款60万元。丁取得该房屋产权证。2012年3月,乙、丙知道此事后,即向丁提出异议,认为房屋归甲、乙、丙三人共有,甲无权卖出房屋,要求收回房屋。经查,丁并不知道该房为甲、乙、丙三人所有。
根据上述材料,回答下列问题:

甲将房屋卖给丁的行为有效吗

题型:填空题

商业健康保险是由商业保险机构因健康原因和医疗行为导致的损失给付保险金的保险,主要包括()。

A.医疗保险

B.失能收入损失保险

C.疾病保险

D.以上选项都包含

题型:填空题

事故预想:值班长组织,()每值一篇。

A.每旬

B.每季

C.每月

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