黑龙江省林业工人（）是五六十年代闻名全国的伐木能手今天为保护生态环境，带领全家三代人

M: The taxi driver must have been speeding.
W: Well, not really. He crashed into the tree because he was trying not to hit a box that had fallen off the truck ahead of him.
Question: What do we learn about the taxi driver

A. He turned suddenly and ran into a tree.
B. He was hit by a fallen box from a truck.
C. He drove too fast and crashed into a truck.
D. He was trying to overtake the truck ahead of him.

试题二：如图1所示，某校园网使用3台Catalyst 6500交换机构成万兆以太网主干，其中交换机S1使用千兆以太网技术下连到学生宿舍楼一台Catalyst 3548交换机S4，S4下连的用户被划分在VLAN ID为2~5，VLAN名为jszx2~jszx5的4个VLAN中，要求S1和S4之间使用IEEE802.1Q国际标准，且在S1和S4之间只允许传输jszx2~jszx5的信息。 图1校园网连接图请阅读下列关于交换机S4的VLAN配置信息，并补充空白处的配置命令或参数，按题目要求完成交换机S4的相关配置。 Switch-S4-3548#vlan data Switch-S4-3548(vlan)# vlan 2 name jszx2 Switch-S4-3548(vlan)# vlan 3 name jszx3 Switch-S4-3548(vlan)# vlan 4 name jszx4 Switch-S4-3548(vlan)# vlan 5 name jszx5 Switch-S4-3548(vlan)# exit Switch-S4-3548#configure terminal Switch-S4-3548(config)#interface【6】(进入端口配置模式) Switch-S4-3548(config-if)#switchport【7】(配置VLAN trunk模式) Switch-S4-3548(config-if)#switchport trunk encapsulation【8】(封装协议) Switch-S4-3548(config-if)#switchport trunk allowed【9】(设置可中继的VLAN) Switch-S4-3548(config-if)#switchport trunk allowed【10】(去除不允许中继的VLAN) Switch-S4-3548(config-if)#exit Switch-S4-3548(config)#exit Switch-S4-3548#

【6】处填（）

Everyone should ________ and save a little money each year for when he retires.[    ]

A. look forward  

B. look up

C. look ahead  

D. look into

下列对化学反应的认识，错误的是（　　）

A．会引起化学键的变化

B．会产生新物质

C．必然引起物质状态的变化

D．必然伴随着能量的变化

针对组织内部具体工作问题，在较小范围内和较短时间内实施的计划（）

A.战略性计划

B.战术性计划

C.战备性计划

D.战斗性计划

E.战役性计划