题目内容

The symbols/indicators on the dashboard are in different colors._____indicates a potentially serious problem or safety issue.

A. Red
B. Green
C. Blue
D. Amber

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The symbols/indicators on the dashboard are in different colors._____ means that something needs to be serviced or repaired soon.

A. Red
Blue
C. Green
D. Amber

The symbols/indicators on the dashboard are in different colors._ or _is only telling you that a system is on or operating.

A. Red; green
B. Green; blue
C. Amber; red
D. Orange; yellow

The main categories of dashboard symbols/indicators include , , and .

A. warning symbols
B. safety symbols
C. lighting symbols
D. advanced feature symbols

7.6 参考例7.4 ，利用求阶乘的Fact（）函数，编程并计算1！+2！+3！+...+n!的值。