【多选题】下面有关虚电路和数据报的特性,正确的说法是( )。
A.
数据报在网络中沿同一条路径传输,并且按发出顺序到达
B.
虚电路和数据报分别为面向连接和面向无连接的服务
C.
虚电路在建立连接之后,分组中只需要携带连接标识
【单选题】A rise in the price level changes aggregate demand because
A.
firms increase their investment when prices are higher.
B.
the real value of people's wealth varies directly with the price level and so does their spending.
C.
the real value of people's wealth decreases and so they decrease their consumption.
D.
the more money people have, the more it is worth and hence the more goods and services they demand.
【简答题】请编写程序,输入一个五位数x,将该数逆序组成一个新数,并输出这个五位数和新的逆序数。 (文件名:0393.cpp)
【多选题】下面属于临夏回族民族民间美术圈的民间美术品种有()。
【单选题】1964年苏共中央的第二书记______主持了一个秘密会议,达成撤销赫鲁晓夫职务的统一意见。
【单选题】( )是汽车企业为之服务的目标市场的对象,是汽车产品的购买者或使用者。
【单选题】According to liquidity preference theory, investment spending would rise if the price level
A.
fell, making the interest rate rise.
B.
fell, making the interest rate fall.
C.
rose, making the interest rate rise.
D.
rose, making the interest rate fall.