施工工程质量验收的依据有( )。
A．工程施工承包合同
B．工程施工图纸
C．质量控制资料
D．技术档案
E．专业工程施工质量验收规范
参考答案：A,B,E
读一读，将下列句子排序。
( ) How beautiful! You can sing and dance in it. Is this the art room？
( 1 ) This is our school. This way, please.
( ) It's big. You can play ping-pong in the gym.
( ) Look! This is the gym.
( 6 ) Yes, it is. We draw pictures in it.
( ) And this is the music room.
人们为了提高家蚕的吐丝量，往往会在桑叶上喷洒一种化学物质给蚕食用。这种化学物质应在蚕发育的哪个时期喷洒？（ ）
A．成虫
B．受精卵
C．幼虫
D．蛹
