According to the passage, Frank Gilbreth discovered how workers could eliminate waste motion by

Câu hỏi :

Read the following passage, and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions.

A. using special tools such as cameras and clocks

B. using stop watches

C. applying scientific management principles

D. watching his children do their chores

* Đáp án

* Hướng dẫn giải

Đáp án là D

Ý trong bài: By analyzing his children’s dishwashing and bedmaking chores, this pioneer efficiency expert, Frank Gilbreth, hit on principles whereby workers could eliminate waste motion.

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