中唐时期的白居易主张“文章合为时而著,诗歌合为事而作”。他所强调的是 [ ] A

题型:选择题

问题:

中唐时期的白居易主张“文章合为时而著,诗歌合为事而作”。他所强调的是 [ ]

A.文章必须记载历史                     

B.文学艺术必须真实

C.诗歌要反映民生疾苦                   

D.希望得到皇帝赏识

考点:李白与杜甫
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下图中的四个图像分别代表对应的四个过程,其中正确的是

A.镁条在密闭的容器中燃烧,反应过程中容器里所盛物质总质量的变化

B.分解等质量过氧化氢制氧气过程中,用不用二氧化锰的区别

C.将质量分数为20%的食盐水稀释至10%,稀释过程中溶质的质量变化

D.向足量的碳酸钠浓溶液中加入少量的氢氧化钙溶液后,溶液的总质量变化

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收缩压的高低主要反映——的多少()

A.每搏输出量

B.心率

C.外周阻力

D.大动脉弹性

E.循环血量

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It amazed me—every time I saw Joe,he was smiling.It didn’t ____ whether he had to stop at a stop light,or if he were the seventh person in ____ at the bank,and the service stopped just before he got there.Joe ___ smiled.It made me wonder why he seemed so ____ every day.
Having observed Joe with other people,I ____ something else also.Joe asked people how they were doing,and really seemed to listen to their ____.If someone were hurting,he had __7__ for him and kind words,and offered to ____ in any way he could.
It made me think...What if I tried to smile more?A(n) ____ of sorts began when I went to the grocery store.I smiled as I went up and down the aisles...and people I didn’t even ___ smiled back at me.Some even ____!The little kid in the cart(购物车) who was giving his mother a ____ time saw me smile and ____ talking...and,you guessed it.He made a shy little attempt at a smile.The man in the handicapped(残疾的) cart ____ a person to reach something...I could get that for him.The smile even transferred over to him,and he ____me.
As I drove home,I was smiling.I ____ what I had just learned,and when someone passed me and gave me a(n) ____,I smiled at him.He looked puzzled.
Now I know a smile is a small thing,but what if we were all to try to smile a few more times each day?I couldn’t believe how ___ I felt.Nothing in my life had changed,____ maybe it had.For what I learned was that such a small thing could ____ not only my spirits,but those around me as well.
小题1:
A.workB.happen
C.matterD.last
小题2:
A.order B.debt
C.handD.line
小题3:
A.always B.eventually
C.immediatelyD.still
小题4:
A.naughtyB.happy
C.activeD.humourous
小题5:
A.decided B.judged
C.noticedD.considered
小题6:
A.answersB.complaints
C.excuses D.comments
小题7:
A.guidanceB.respect
C.sympathyD.protection
小题8:
A.performB.attempt
C.botherD.help
小题9:
A.experimentB.life
C.projectD.program
小题10:.
A.meetB.touch
C.knowD.contact
小题11:
A.glaredB.greeted
C.approachedD.escaped
小题12:
A.spareB.long
C.hardD.great
小题13:
A.stoppedB.tried
C.keptD.enjoyed
小题14:
A.persuadedB.accepted
C.supportedD.needed
小题15:
A.thankedB.changed
C.encouragedD.invited
小题16:
A.worried aboutB.thought about
C.talked overD.looked over
小题17:
A.gestureB.address
C.callD.ticket
小题18:
A.normalB.great
C.reasonableD.complicated
小题19:
A.so B.for
C.butD.till
小题20:
A.releaseB.admire
C.displayD.lift
题型:选择题

PS型系列泵属于()砂泵。

A、立式

B、卧式

C、立式或卧式

题型:选择题

细菌培养达到良好生长所需的时间一般是

A.3~5小时
B.4~8小时
C.6~12小时
D.12~24小时
E.24~48小时

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