According to the author, what is the “rule of thumb”?

A good rule of thumb is to omit it unless your( ) performance is excellent.

A good rule of thumb is to omit it unless your( ) performance is excellent. A: academic B: academical C: study D: learning

When you greet people you can refer to the ( ) . A: "10 to 8 rule" B: "8 to 5 rule" C: "10 to 5 rule" D: "10 to 6 rule"

What does the "6, 20,100" rule mean?

Which of the following is NOT included into the seven main types of waste? ( ) A: Wastes in motion and logistics B: Wastes in defects and inventory C: Wastes in transportation and waiting D: Wastes in overprocessing and overproduction

Lift a thumb / thumb a lift: ___________________

The main purpose of the passage is ____. A: to show us a future way of recycling wastes B: to tell the importance of recycling wastes C: to warn people the danger of some wastes D: to introduce a new recycling plant

1.Cope with2.Recognition3.Give primacy to market forces4.Acidification5.Microbial disposal of wastes6.Rule-of-thumb method7.Superb8.Set price9.Associate10.Substitute11.Economy is wholly owned subsidiary of the environment

中国大学MOOC: A rule of thumb with using the internal rate of return is to invest in a project if the IRR is _________ the opportunity cost of capital. 使用内部收益率的经验法则是，如果内部收益率是资本的机会成本_________，则投资项目。