非英语类、非涉外专业的普通全日制本科学生参加全国大学生英语四级考试的成绩应在多少分以上？（）

Black smoke coming from a boiler can be caused by （）.

美国大学是否承认中国的自考学位或成人教育学位？

It will be a relief over the death of a friend or a relative if the friend or relative dies from ______.

大学生本科毕业写的学位论文叫学士论文，也属于学术论文。

Having further education or finding a job? A lot of students don’t know which way to go after____（毕业）.

（ ）estimating is a technique for estimating the duration or cost of an activity ou project using historical data from a similar activity or project.

取得第二个学士学位后满（）年或在大学本科学习期间同时取得双学士学位后满（）年，可直接考核认定中级资格。

A mark or place at which a vessel comes under obligatory entry，transit，or escort procedure is know as（）.

When it comes to creating pooled WWN objects， it is important to understand that a Cisco UCS WWN pool can include only WWNNs or WWPNs from which value of ranges？（）

（）refers to a word or expression that is prohibited by the “polite” society from general use.