包月制电话收费方式中，单位时长的通话费用（）。A．随着用户使_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

包月制电话收费方式中，单位时长的通话费用（）。

A．随着用户使用业务量的增加而降低

B．随着用户使用业务量的增加而提高

C．固定不变

D．由每月天数决定

答案

参考答案：A

单项选择题 A1型题

下列表达错误的是（）

A.诊断试验的真实性是指测定值与真实值相符合的程度

B.诊断试验的可靠性是指同一方法在同样条件下，多次对相同人群进行检查，结果的恒定性

C.并联试验可提高诊断试验的灵敏度

D.串联试验可提高诊断试验的特异度

E.误诊率又称为假阴性率，漏诊率又称假阳性率

完形填空

Switzerland is famous for its watches. However, this country didn’t 26 the
watch.   It was the British   27 did it.Here is a story of 28 the
watch was 29 to Switzerland.
Many years ago, an Englishman was  30   to Italy   31   his way he stopped in a small town in south Switzerland. This Englishman travelled in a      carriage inside    32  there was a carriage watch. This was the 33 kind of  watch. A native shop assistant   34  to see the watch. He 35 what it was  and asked the Englishman   36 it.“Itis a carriage watch. ”said the man. “ This machine    37 the time but now it
isn’t working.”
At once the shop assistant    38   to try to repair it. So the traveller 39  him the watch. The assistant was a very wise man. So it  was not 40 that he managed to repair it. He 41  remembered how it was made. As soon as the traveller had 42 on his journey, he made a watch of 43 the same type.
  44  the watch-making was   45 in Switzerland. Today Swiss watches are sold in stores all over the world.