生命活动的基本特征是（）和（）。
在社会主义初级阶段，发展社会生产力所要解决的历史课题，是（）。 实现工业化和生产的商品化、社会化、现代化。 实现工业化。 实现生产的商品化、社会化、现代化。 实现科学的现代化。
You are a help desk technician for your company. A portion of your company’s network is shown in the exhibit. Michael is an employee in your company’s marketing department. Michael uses a Windows XP Professional computer that is located on Subnet A. You use a Windows XP Professional computer that is located on Subnet B. The company’s firewall does not use Network Address Translation (NAT). Michael sends you a Remote Assistance invitation. In Windows Messenger, you accept the invitation, but you cannot connect to Michael’s computer. Next, you run the Ping command, which verifies connectivity to Michael’s computer. You need to establish a Remote Assistance connection with Michael’s computer. What should you do next?（） Ask your firewall administrator to open the TCP/IP ports that are used by Windows Messenger.。 Ask your firewall administrator to open the TCP/IP ports that are used by Remote Desktop Services. 。 Instruct Michael to create an invitation file and then e-mail the file to you as a file attachment. When you receive the e-mail, open the file attachment. 。 Instruct Michael to edit the System properties for his computer and add your domain user account to the Remote Desktop Users list on the Remote tab.。
根据《工程建设项目招标范围和规模标准规定》的规定，属于工程建设项目招标范围的工程建设项目，重要设备、材料等货物的采购，单项合同估算价在（）人民币以上的，必须进行招标。 50万元。 100万元。 150万元。 200万元。
在photoshop中调用Illustrator矢量文件时下列选项哪些是正确的？（） 通过“文件>打开”命令直接将Illustrator文件打开，矢量图将变为像素图。 通过“文件>置入”命令将Illustrator文件置入，确认大小后后矢量图将变为像素图。 通过“文件>置入”命令置入的Illustrator文件，将保持矢量图不变。 通过“文件>打开”命令打开的Illustrator文件，将保持矢量图不变。
非开挖燃气管道改造施工工艺流程比较完整正确的是：施工准备、工作坑开挖、（）、管道试验等。
