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.
refrain
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
内容
- 0
____means to use a single extended example to support the main idea from the topic sentence.
- 1
Volunteers<br/>say the supply of face masks and gloves is running low so they are<br/>hoping for ______ <br/>to help doctors and have already found volunteers who want to sew<br/>masks for the hospital staffs and 3d print hard face masks.
- 2
A balanced diet can provide adequate _____ that our bodies need.
- 3
________ means we use the minimum words to provide the sufficient information of the research paper. A: Clearity B: Brevity C: Accuracy D: Clear target
- 4
While you are eating, you should not try to… A: hold a conversation. B: use your fork with your right hand. C: use your cell phone. D: fill your plate.