问题 多项选择题

下列属于保温薄抹灰强制性条文的是()。

A、EPS板现浇混凝土外墙外保温系统现场粘结强度不得小于0.1MPa,并且破坏部位应位于EPS板内

B、胶粘剂与水泥砂浆的拉伸粘结强度在干燥状态下不得小于0.6MPa,浸水48h后均不得小于0.4MPa,与EPS板的拉伸粘结强度在干燥状态和浸水48h后均不得小于0.1MPa,并且破坏部位应位于EPS板内

C、玻纤网经向和纬向耐碱拉伸断裂强度均不得小于750N/50mm,耐碱拉伸断裂强度保留率均不得小于50%

D、外保温工程施工期间以及完工后24h内,基层及环境空气温度不应低于5℃。夏季应避免阳光暴晒。在5级以上大风天气和雨天不得施工

E、外保温工程施工期间以及完工后8h内,基层及环境空气温度不应低于10℃。夏季应避免阳光暴晒。在5级以上大风天气和雨天不得施工

答案

参考答案:A, B, C, D

完形填空

Music comes in many forms; most countries have a style of their own. 1 the turn of the century when jazz was born, America had no prominent 2 ofits own.No one knows exactly when jazz was 3 ,or by whom.But it began to be 4 in the early 1900s.Jazz is Americas contribution to 5 music.In contrast to classical music, which 6 formal European traditions, jazz is spontaneous and freeform.It bubbles with energy, 7 the moods, interests, and emotions of the people.In the 1920s jazz 8 like America, and 9 it does today.The 10 of this music are as interesting as the music 11 .American Negroes, or blacks, as they are called today, were the jazz 12 .They were brought to Southern States 13 slaves.They were sold to plantation owners and forced to work long 14 .When a Negro died his friend and relatives 15 a procession to carry the body to the cemetery.In New Orleans, a band often accompanied the 16 .On the way to the cemetery the band played slow, solemn music suited to the occasion. 17 on the way home the mood changed.Spirits lifted.Death had removed one of their 18 ,but the living were glad to bealive.The band played 19 music, improvising(即兴表演) on both the harmony andthe melody of the tunes 20 at the funeral.This music made everyone want to dance.It was an early form of jazz.

1.A.By B.At C.In D.On

2.A.music B.song C.melody D.style

3.A.discovered B.acted C.invented D.designed

4.A.noticed B.found C.listened D.heard

5.A.classical B.sacred C.popular D.light

6.A.forms B.follows C.approaches D.introduces

7.A.expressing B.explaining C.exposing D.illustrating

8.A.appeared B.felt C.seemed D.sounded

9.A.as B.so C.either D.neither

10.A.origins B.originals C.discoveries D.resources

11.A.concerned B.itself C.available D.oneself

12.A.players B.followers C.fans D.pioneers

13.A.for B.as C.with D.by

14.A.months B.weeks C.hours D.times

15.A.demonstrated B.composed C.hosted D.formed

16.A.demonstration B.procession C.body D.march

17.A.Even B.Therefore C.Furthermore D.But

18.A.number B.members C.body D.relations

19.A.sad B.solemn C.happy D.funeral

20.A.whistled B.sung C.presented D.showed

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