原音再现，给下列句子中画线的字注音。 1．在闽( )西南和粤( )东北的崇山峻岭中，

计算交通量时，应将各种车型折算为标准车型，标准规定公路以小客车作为（）。

Serialization delay and（）delay are the two components of network delay that are improved by increasing bandwidth. Serialization delay, i.e. the amount of time it takes to put the（）on the wire, and queuing delay (depth of the queue) are improved by increasing the（）from a 128kbps circuit to a T1. However, three other components of delay, routing/switching delay, distance delay, and protocol delay are components that can not be positively affected by an （）in bandwidth. If the circuits are not over-utilized, then increasing the bandwidth to improve the（）of the application will only result in an increased bandwidth with no positive effects on performance.

then increasing the bandwidth to improve the（）of the application will only result in an increased bandwidth with no positive effects on performance.

A．capability

B．cost

C．amount

D．performance

Ⅱ°Ⅱ型房室传导阻滞的典型心电图的特点是

A．P-R间期延长，QRS波＞0.12秒

B．P-R间期逐渐延长，R-R逐个缩短

C．P-R间期固定，P波有规则出现，QRS波有规则脱落

D．P波消失，QRS波规律出现

E．P-P频率＞R-R频率，P波与QaS波无关

国库券的发行和定价方式采用按面值发行，按本息相加额到期一次偿还的方式.

为什么老年人忌说话快速？