【单选题】在vi编辑器中的命令模式下,键入( B )可在光标当前所在行下添加一新行。
【单选题】You have been hired as a consultant to the central bank for a country that has for many years suffered from repeated currency crises and depends heavily on the U.S. financial and product markets. Whic...
B.
an exchange rate pegged to the U.S. dollar
C.
an exchange rate with a fixed price per ounce of gold
D.
an internationally floating exchange rate
【多选题】关于对IPV的使用下列描述哪些是正确的?()
B.
如部分使用IPV,建议第1、2剂次优先使用,其余剂次用OPV,并按OPV程序完成全程免疫;
C.
IPV接种4剂次,儿童出生后2、3、4、月龄和4岁各接种1剂次,每剂次0.5ml;
D.
IPV为注射制剂,接种部位为上臂三角肌肌肉注射。对于婴幼儿最好选择大腿前外侧中部肌肉注射。
【单选题】Telecommuting—substituting the computer for the trip to the job—has been hailed as a solution to all kinds of problems related to office work. For workers it promises freedom from the office, less tim...
A.
Wasting time in traffic.
B.
The conflict between child-care and work.
C.
The inflexible schedule.
D.
The high expense on office equipment.
【简答题】有被囊的神经末梢主要由____、____和____三种。
【多选题】下列有关 标签的描述,正确的有( )
B.
s:hidden标签可以生成HTML中的隐藏域标签