萱萱今天是公共汽车的小司机,她见自己车上没有乘客,于是就大声嚷道:“快来乘车,我要开到动物园去了。”此时,娃娃的妈妈推着娃娃来乘车,刚想上车,砚砚走来对娃娃的妈妈说:“这辆车不能乘,没有消过毒。”小司机听到了,连忙从座位上站起来,跑到积木箱前拿出一块绿色圆形积木,告诉他们:“我这辆车已经消过毒了,这是消过毒的标记。”经她这么一说,砚砚和娃娃的妈妈都乘上了这辆公共汽车,小司机的脸上露出了笑容。 结合上面的案例说明游戏对儿童发展的重要意义。
查看答案
转向架弹簧装置是保证机车安全()运行的必要设施。
A. 平稳
B. 高效
C. 低效
D. 以上答案均不正确
A customer is consolidating their ten rack mount Windows servers into a VMware environment with four servers. The existing servers all have internal disk. The total amount of useable capacity is 5TB which is expected to increase to 10TB over the life of this asset. The customer will want to use the advanced features of VMware like VMotion.The customer is concerned about cost. Which of the following meets the customers needs? ()
A. DS3500 with SAS Host Connection
B. DS3500 with iSCSI Host Connection
C. DS3500 with FC Host Connection
DS5020
铁路营业线施工遇线路施工未按规定设置()或减速(移动)信号牌,需停工整顿。
WinNuke攻击防范判断()报文的目的端口是否为(),并且URG有效、紧急指针不为空。
A. UDP,138
B. UDP,139
C. TCP,138
D. TCP,139