信息系统建设过程中暴露出各种问题，虽然不是主流，但也不容忽视，针对①～⑤的描述，项目建设过程中普遍存在（）的问题
①系统质量不能满足应用的基本需求
②没有采用先进技术
③项目文档不全甚至严重缺失
④系统存在着安全漏洞和隐患
⑤工程进度拖后延期

Nichols set Smith free because______.A．he found her very attractiveB．she persuaded him to let her goC．they were both Christian followersD．he couldn't get any money from her 点击查看答案

How did Smith feel when she saw a robber with her?（）

A．Frightened.
B．Frustrated.
C．Nervous.
D．Calm.

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