Which of the following devices is a common basic element with nearly all mechanical governors?（）
举一反三
- Which of the following devices is common to both mechanical and hydraulic governors?（）
- Which of the following is not the basic element of Chinese classical gardens? A: Water B: Architecture C: Rockery D: Couplets
- ________ all behavior is learned behavior is a basic assumption of social scientists. A: Nearly B: It is nearly C: That nearly D: When nearly
- ________ all behavior is learned behavior is a basic assumption of a social scientist. A: It is nearly B: That nearly C: Nearly D: When
- Which of the following is NOT a basic element of business letters?（ ） A: rigorous words B: the stress on specifications C: explicit tones D: the use of formulas