下列哪部作品属于清代花部作品（）。A、《牡丹亭》 B、《长生殿》 C、《借靴》 D、

中共一大通过了党的章程和纲领，并选举李大钊为中央局书记。[ ]

意大利科学家______首先测定了大气压的值；l标准大气压等于______Pa．

In low-speed network, it is usually adequate to wait for congestion to occur and then react to it by telling the source of packets to slow down. In high-speed networks, this approach often works poorly, because in the (1) between sending the notification and notification arriving at the source, thousands of additional (2) may arrive. In ATM network, a major tool for preventing (3) is (4) control. When a host wants a new virtual (5) ,it must describe the traffic to be offered and the service expected.

4（）

A．flow

B．admission

C．traffic

D．time

制备好的试样应该储存于（）容器中，并贴上标签

A、容量瓶

B、广口瓶

C、称量瓶

D、干燥瓶

通过类MyClass中的不含参数的构造函数，生成该类的一个对象。obj，可通过以下语句实现： 【12】 。