（ ）Is red a strong color or a peaceful color?

The important thing is that this is a major breakthrough. “breakthrough” here means an important development or achievement.

焊工操作技能考试时，垂直固定的管状试件考试合格后，可免考( )板状试件。但板状试件考试合格不能免考垂直固定管状试件。

Project（71）is an uncertain event or condition that，if it occurs，has a positive or a negative effect on at least one project objective，such as time，cost，scope，or quality．

 ______ twice a year, whether it is a car or a bus or a truck, is the rule that every driver must obey in this city.

Is this（）longer or shorter?

This is a（）（折叠）type hatch cover.

（）是指普调考、技能竞赛、新员工结业考试或技能竞赛等规模较大的考试考核活动。

加油站经理认证考核（试）包括理论知识考试和实操技能考核。其中理论知识考试（）分以上为合格，实操技能考核（）。

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

In C language，(58) is a collection of one or more variables，possibly of different types， grouped together under a single name for convenient handling.

In C language,(70)is a collection of one or more variables, possibly of different types, grouped together under a single name for convenient handling.