() is used for energy when carbohydrate are not available for athlete
举一反三
- One of the types of cost estimation is Order of Magnitude. This estimate ______. A: is performed when detailed information is available B: is performed when little if any information is available C: is used in the beginning of the project conceptualization D: B and C
- When something is on sale, ________________. A: it's available B: it is sold in a large quantity C: it is sold at a cheaper price D: it used to be cheaper
- Which of the followings provide energy？ A: Fat B: Carbohydrate C: Water D: Protein E: Vitamins
- 单选题 ( 2.0 分 )<br/>Which of the following statements is true according to the<br/>passage? A: Nuclear power is a safe and reliable energy source. B: solar energy is always available as a source of energy. C: Water and steam energy has been successfully used in some<br/>countries. D: The real solution to energy crisis lies in natural sources of<br/>energy.
- Which equipment is used to convert chemical energy into electrical energy?