关于引起盆腔炎性疾病的病原体哪项不正确()
A.可以是单纯厌氧菌
B.可以是单纯需氧菌
C.可为需氧菌混合厌氧菌
D.以厌氧菌为主
E.主要为性传播疾病的病原体
参考答案:D
The major problem with E-mail is that it is (71) easy to use that people can become (72) with messages (73) they can possibly answer in a day. In addition, mail boxes require some management to (74) messages or archive those that might be required later. Senders don’t always know about your E-mail backlog and often send (75) messages.
A.full
B.lost
C.inundated
D.filled
以下关于基本运费和基本运费率,表述有误的是()。
A.为在航线上基本港口间运输而制定的运价称作基本运价或称基本费率
B.基本运费由基本费率与一定数量的运费吨的乘积得出
C.基本运费等于基本费率加附加运费率,然后乘以一定数量的运费吨得出
D.影响基本费率的主要因素是船舶的各种成本支出