下列关于力的说法中,正确的是( ) A.力只能使物体运动或静止 B.不接触的物体

题型:选择题

问题:

下列关于力的说法中,正确的是(  )

A.力只能使物体运动或静止

B.不接触的物体间不可能有力的作用

C.力是物体对物体的相互作用

D.运动员踢球时,只有人的脚对球施了力

考点:力的作用效果力作用的相互性力的概念
题型:选择题

在碳酸盐岩储集层中,起主要连通作用的储集空间类型是()。

A、溶洞

B、粒间孔隙

C、粒内孔隙

D、裂缝

题型:选择题

Michelle is blind, but she makes such good use of her other senses that guests rarely realize that she is blind.
When my daughter Kayla came back from her home, she was very  1  about her day. She told me that she had baked cookies, played games and done art projects. But she was especially excited about her finger-painting project. “I learned how to   2  colors today! Blue and red make purple, and yellow and blue make green! Michelle   3 with us too. She said she liked how the paint feels through her fingers,” said Kayla.
Something about my child’s excitement caught my   4 . this made me sit down and take a look at my child and at myself.
Then Kayla said, “Michelle told me my picture showed joy,   5  and a sense of accomplishment. She   6 saw what I was doing!” Kayla said she had never felt how good finger-painting felt until Michelle showed her how to paint without looking at her paper.
This is when I realized Kayla didn’t know that Michelle was blind. It had just never   7   in conversation. When I told her, she was quiet for a moment. At first, she didn’t   8  me. “ But mommy, Michelle understood exactly what was in my picture!” Kayla insisted. I knew my child was   9 because Michelle had listened to Kayla when she  10  her artwork. Michelle had listened to Kayla’s pride in her work, and her wonder at her discovery of the way colors blend.
小题1:1.
A.satisfiedB.movedC.excitedD.affected
小题2:
A.mixB.combineC.connectD.join
小题3:
A.wroteB.dealtC.contactedD.painted
小题4:
A.attentionB.sightC.noteD.observation
小题5:
A.discovery B.understandingC.prideD.achievement
小题6:
A.apparentlyB.reallyC.obviouslyD.carefully
小题7:
A.come aroundB.com acrossC.come throughD.come up
小题8:
A.doubtB.refuseC.believeD.approve
小题9:
A.rightB.polite C.realD.wrong
小题10:
A.describedB.createdC.designedD.invented
题型:选择题

纵深防御原则是什么,与核电站设计有何关系?

题型:选择题

对于高氯酸、硫酸、盐酸和硝酸四种酸具有拉平效应的溶剂是()。

A.水

B.冰醋酸

C.甲酸

D.醋酐

题型:选择题

下列选项中,不属于绿卡具有功能的是()。

A.刷卡消费

B.转账结算

C.存取现金

D.透支消费

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