甲、乙两正方体质量之比是1:3,放在水平桌面上时,它们对桌面的压强之比是3:4,

题型:多选题

问题:

甲、乙两正方体质量之比是1:3,放在水平桌面上时,它们对桌面的压强之比是3:4,则[ ]

A.甲、乙两物体对地面的压力之比是1:1

B.甲、乙两物体对地面的压力之比是1:3

C.甲、乙两物体的密度之比是9:8

D.甲、乙两物体的密度之比是4:9

考点:压力的定义压强的大小及其计算
题型:多选题

如图所示的电路,电源电压保持不变,滑动变阻器的滑片P置于中点位置.闭合开关后,电压表示数为U,电流表A1、A2示数分别为I1、I2,且灯丝电阻不变,下列分析正确的是(  )

A.滑片P向右移动过程中,灯L亮度逐渐变暗

B.滑片P向右移动过程中,电压表示数U的大小保持不变

C.滑片P向右移动过程中,的比值保持不变

D.当滑片P移到最右端时,电路消耗的总功率最小

题型:多选题

男孩,6个月,出生后即发现右眼外上方肿物,大小无明显变化。检查发现肿物2cm×3cm大小,柔软,无压痛,界限清楚。下一步的措施是下列哪一项

A.CT检查

B.血管造影

C.硬化剂局部注射

D.皮质类固醇激素局部注射

E.局部肿物切除

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My father was an ill-humored man. I knew he loved me and his love was deep. He just didn’t know how to      it.
One evening we went out for a night on the town.We were sitting in an elegant restaurant that had a small but lively     .When it played a familiar waltz tune I decided to      my father for a dance. “Dad, you know I’ve never      with you before. I begged you but you      wanted to. How about right now?” I waited for the     refusal.But instead, he considered thoughtfully and then said, “Let’s hit the floor and I’ll      you just what kind of moves an old guy like me can still make.” My father took me in his      and I felt overcome by emotion. As we danced I looked up at my father carefully but he     my eyes. “Dad,” I finally     , tears in my eyes, “Why is it so hard for you to look at me?” At last his eyes dropped to my face.“      I love you so much.” he whispered back.I was struck dumb by his    .It wasn’t what I had thought.But it was of course exactly what I needed to    .I had always known that he loved me. I just hadn’t understood that his vast emotion had      him and made him silent.“I love you too, Dad!” I whispered back softly.He stumbled (结结巴巴地说) over the next few words: “I’m sorry that I’m not open. It’s      for me, but just remember how much I love you.” When the dance ended I excused myself to the ladies’ room and during my absence      changed.When I came back, Dad sat in his chair      his body leaning forward, very pale.Everything was really too late.He was    
That night all I saw was his leaning body and pale face.But it’s a totally different scene that I     now.I remember his saying “I love you” and my saying it back.The three words      on forever long after we are gone.
小题1:
A.answerB.express C.mentionD.understand
小题2:
A.bandB.hallC.sofaD.bar
小题3:
A.inviteB.teachC.helpD.show
小题4:
A.chatted B.sang C.danced D.stayed
小题5:
A.still B.evenC.alsoD.never
小题6:
A.final B.normal C.rough D.usual
小题7:
A.tellB.show C.ask D.explain
小题8:
A.arms B.hands C.heart D.mind
小题9:
A.noticed B.ignored C.avoided D.greeted
小题10:
A.complained B.whispered C.explained D.shouted
小题11:
A.Because B.Though C.If D.While
小题12:
A.response B.advise C.promise D.excuse
小题13:
A.findB.knowC.hearD.think
小题14:
A.surprised B.pleased C.inspired D.frightened
小题15:
A.clear B.important C.impossible D.hard
小题16:
A.everythingB.something C.nothing D.anything
小题17:
A.for B.with C.on D.from
小题18:
A.moved B.tired C.lost D.gone
小题19:
A.discover B.remember C.remind D.consider
小题20:
A.depend B.carry C.live D.take
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B、价值观对人们改造世界有重要的导向作用

C、正确的价值观帮助人们在改造世界的活动中取得成功

D、错误的价值观会使人们在改造世界的活动中遭到失败

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