传染性鼻炎是由()引起鸡的急性呼吸道传染病
A.副黏病毒
B.副鸡嗜血杆菌
C.疱疹病毒
D.呼肠孤病毒
E.腺病毒
参考答案:B
During the last few years, it has been realized that maintenance of programs is more expensive than development, so reading of programs by humans is as important as (67) them.
A.editing
B.writed
C.written
D.writing
人力资源的实质是人所具有的运用物质资源进行物质财富或精神财富生产的能力,它包含()等两个方面。
A.体能
B.智能
C.观察力
D.理解力
E.思维判断力