BGP下有如下配置： Timer keep alive 30 hold 30 Peer 1.1.1.2 timer keepalive 10 hold 30 下面哪些描述是错误的（）

[单选题]After updating serverB's network configurations, anadministrator notices that serverA, which resides in a different subnet, is unable to communicate with serverB via ssh or telnet. As ping's to the server fail, the administrator logs onto serverB via a console and finds an available interface en0 in the 'up' state. From the console connection, en0 can communicate with other servers in the same subnet. What is the most likely cause of the problem?（）

[单选题]Centrifugal pumps can be designed with a number of impellers （） to attain a high final delivery pressure.

[问答题]简述组织购买的特点。

[单选题]"动"是推拿疗法的特点，以下不是"动"所包括的治疗方面是（）

[填空题]J2-7型空气制动机中，当自阀手柄制动区，将客货车转换阀置于客车位，二位柱塞阀尾端排气时为（）半堵。

[单选题]下列关于函证对象的说法，不正确的是（）

[单选题]滑动摩擦系数f的单位是（）

[单选题]地面上点的位置表示，在（）上用该点到大地水准面的垂直距离表示。

[单选题]时间上要及时、数量上要适当、质量上要准确、内容上要适用（　　）。

[单选题]下列有助于肝细胞性黄疸和胆汁淤积性黄疸鉴别的是（）

[多选题]BGP下有如下配置： Timer keep alive 30 hold 30 Peer 1.1.1.2 timer keepalive 10 hold 30 下...

[单选题]BGP邻居PeerA在Open中携带的Hold timer时间是90s，PeerB在Open中携带的Hold timer时间是30s，peerA和PeerB建连...

[单选题]Timer控件可用于后台进程中，可在Timer事件内编程，要停止触发Timer事件，需要设置的属性是（）。

[单选题]Timer控件可用于后台进程中，可在Timer事件内编程，要停止触发Timer事件，需要设置的属性是（）。

[判断题]在VB中，计时器（Timer）定期激活Timer事件，使Timer中的代码执行一次。

[问答题]Timer控件可用于后台进程中，可在Timer事件内编程，要停止触发Timer事件，可通过以下什么属性。

[单选题]The old woman has just been ______ by the car. A moment ago she was still very m...

[单选题]The young seedlings remained alive（）the protecting snow.

[单选题]The old woman has just been ______ by the car. A moment ago she was still very m...

[单选题]The old woman has just been ______ by the car. A moment ago she was still very m...