排水管道铺设后经嵌缝养护后进行闭水试验,方可窝管。 ( )
参考答案:对
选词填空
从方框中选择正确的单词并用其适当形式完成下面的句子。
小题1:How many _______ are there in the factory?
小题2:Mr White often goes for a walk with his _________ dog.
小题3:Have you _________ dinner?
小题4:We like our Chinese teacher, so we listen to her lessons ________.
小题5:There are two books on the desk. One is mine, the other is ________.
小题6:October is the _________ month of a year.
小题7:If we don’t protect the environment, our future will be _______.
小题8:________ you for your help, it’s very kind of you.
小题9:We should stop the factory from ________ the river.
小题10:Paper________ by Cai Lun in Han Dynasty.
在意识清晰的基础上,下列症状中对精神分裂最有诊断意义的是()。
A.被害妄想
B.嫉妒妄想
C.牵连观念
D.思维散漫
E.夸大妄想