下列哪项不是输卵管通液术的禁忌证?()
A.子宫肌瘤
B.内外生殖器急性炎症
C.慢性盆腔炎急性发作
D.月经期或子宫出血者
E.有严重的心、肺疾病者
参考答案:A
对于“采样比率”,选择一个选项以控制声音的保真度和文件大小。对于语音来说,()kHz是最低的可接受标准。
A、5
B、11
C、22
D、44
The documents you should provide are contract, L/C, invoice and B/L.L/C is the abbreviation for ( ), B/L is the abbreviation for ( ) .
A.Letter of Credit, Packing ListB.Leaking of Containers, Bill of LadingC.Letter of Credit, Bill of LadingD.Leaking of Containers, Packing List