根据《固定电话交换设备安装工程验收规范》,架间电缆及布线的两端应有(),没有错接、漏接.
A.产品标签
B.尺码
C.明显标志
D.产品规格
参考答案:C
Feeding the fish ______ is bad for them. [ ]
A. much too food
B. too much food
C. much too foods
D. too much foods
肥厚型心肌病的X线征象中,下列哪项错误()
A.心脏多数不大或仅有轻度增大
B.肺动脉段明显突出
C.肺血管纹理正常或有轻度肺淤血
D.心脏搏动正常或增强
E.少数病例心脏可高度增大