问题 单项选择题

质量一定的理想气体,从相同状态出发,分别经历等温过程、等压过程和绝热过程,使其体积增加一倍。那么气体温度的改变(绝对值)是()。

A.绝热过程中最大,等压过程中最小

B.绝热过程中最大,等温过程中最小

C.绝压过程中最大,绝热过程中最小

D.绝压过程中最大,绝温过程中最小

答案

参考答案:D

完形填空

I began to play the piano four years ago,I always remember my first piano performance.I remember that year,I was only nine years old,and but just     to lean to play the piano a few months before.

One day,my teacher told me there was ging to be a piano performance     three weeks.When I heard the news,I felt very   .But the teacher said,“You can make it.You have     this piece of music many times,so you’ll play it well.And when the performance comes,I’am sure you’ll   .”After hearing the teacher’s words,I felt confident about myself.

After three weeks of hard practicing,the piece for the performance was fianlly   .The night before the performance,I was so excited that I couldn’t stand still or sit down.When it was my    to perform,I held my head high,went onto the stage,sat on the chair,quickly    the song in my head,and lifted up my hands to play.In one breath,I played the piece from beginning to end and played it very pleasantly.Soon,a thunter of applause(雷鸣般的掌声)      out in the concert hall.I felt very happy,and proud of    ,yoo.

That was my first piano performance and I will never forget it.

小题1:

A.finished

B.considered

C.stopped

D.started小题2:

A.in

B.for

C.on

D.until小题3:

A.sleepy

B.exhausted

C.nervous

D.energetic小题4:

A.pronounced

B.provided

C.produced

D.practiced小题5:

A.suit

B.succeed

C.incersse

D.interset小题6:

A.successful

B.ready

C.empty

D.careful小题7:

A.ending

B.turn

C.entertainment

D.challenge小题8:

A.went through

B.made up

C.came up with

D.went off小题9:

A.looked

B.took

C.broke

D.filled小题10:

A.me

B.my

C.myself

D.mine

多项选择题