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特种用途抹灰砂浆,常用的特种砂浆有:耐酸砂浆、保温砂浆、防水砂浆等。其配制方法通常采用体积比。( )

A. 对
B. 错

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The wild mouflon sheep of the island of Corsica are direct descendants of sheep that escaped from domestication on the island 8,000 years ago. They therefore provide archaeologists with a picture of what some early domesticated sheep looked like, before the deliberate selective breeding that produced modem domesticated sheep began. The argument above makes which of the following assumptions

A. The domesticated sheep of 8,000 years ago were quite dissimilar from the wild sheep of the time.
B. There are no other existing breeds of sheep that escaped from domestication at about the same time as the forebears of the mouflon.
C. Modern domesticated sheep are direct descendants of sheep that were wild 8,000 years ago.
D. Mouflon sheep are more similar to their forebears of 8,000 years ago than modem domesticated sheep are to theirs.
E. The climate of Corsica has not changed at all in the last 8,000 years.

In Malsenia sales of classical records are soaring. The buyers responsible for this boom are quite new to classical music and were drawn to it either by classical scores from television commercials or by theme tunes introducing major sports events on television. Audiences at classical concerts, however, are continually shrinking in Malsenia. It can be concluded from this that the new Malsenian Converts to classical music, having initially experienced this music as recorded music, are most comfortable with classical music as recorded music and really have no desire to hear live performances. The argument assumes which one of the following

A. To sell well in Malsenia, a classical record must include at least one piece familiar from television.
B. At least some of the new Malsenian buyers of classical records have available to them the coupon of attending classical concerts.
C. The number of classical concerts performed in Malsenia has not decreased in response to smaller audiences.
D. The classical records available in Malsenia are for the most part not recordings of actual public concerts.
E. Classical concerts in Malsenia are not limited to music that is really available on recordings.

普通抹灰其方法为两遍成活(底层、面层)、分层赶平、修整、压光。主要用于简易仓库和临时建筑。( )

A. 对
B. 错

抹灰砂浆是建筑工程中不可缺少且用量很大的建筑材料。它是由有机胶凝材料、细骨料和水,有时也掺入某些外掺材料,按一定比例配合调制而成。( )

A. 对
B. 错

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