简述股票与债券有哪些不同？ 

在实际工作中为了高效快速的定损，我们一般查阅各机构的标准工时表，对油漆工时费进行核定。

A、对

B、错

以下关于工程项目划分，（　）是计算人工、材料、机械消耗的最基本的计算要素

A、单项工程

B、单位工程

C、分部工程

D、分项工程

our company has a main office and 15 branch offices. The company has a single active directory domain. All servers run windows server 2008.You need to ensure that the VPN connections between the office and the branch offices meet the following requirements:All data must be encrypted by using end-to-end encryption.The vpn connection must use computer-level authentication.User names and passwords cannot be used for authentication.What should do?（）

A、Configure an ipsec connection to use tunnel mode and preshared key authentication.

B、Configure a PPTP connection to use version 2 of the MS-CHAP v2 authentication.

C、Configure a L2TP/IPsec connection to use the EAP-TLS authentication.

D、Configure a L2TP/IPsec connection to use version 2 of the MS-CHAP v2 authentication.

在西方，《大教学论》被认为是第一部专门论述教育问题的现代教育学著作。

A、对

B、错

稻草人警告主人的办法是（）

A、摇摆身体

B、摇扇子