3. It advises artists to ________ from smoking or eating while painting, to use face masks and to provide adequate ventilation (通风) by means of an extractor fan.
举一反三
- Facial<br/>makeup originates from masks of sacrifice. The types of facial<br/>painting are the most particular art in Beijing Opera. ______
- Who does not use any knives, forks or chopsticks while eating?
- Thedoctor advises that Shelley give up smoking and drinking.
- What is the effective way to deal with indoor pollution? A: To have adequate ventilation indoors B: To avoid buying new things home C: To stay outdoors as long as possible D: To use less the facilities at home
- the complementary effect of food protein refers to A: Provide enough calories，can save food protein intake B: Provide a variety of vitamins, can save food protein intake C: Adequate supply of essential fatty acids can improve the nutritional value of protein D: Eating a mix of different types of protein has a higher nutritional value than eating one alone