At present, the ecological environment is becoming more and more bad, is the greatest influence on our water resources. According to the relevant information reported: the laying of drainage system and detergent used to grow, consume the oxygen in the water, fish died, deterioration of ecosystem....
TapMeasureto begin measuring your blood oxygen level. Correct measurement posture For accurate measurements, wear the Fit firmly around your lower arm above the wrist while leavingtwo fingers’ worth of space,as shown in the figure. Also, place your elbow on the table while positioning your wrist...
or have symptoms such as cough, fever, fatigue(疲倦)andtrouble breathing, a mask is also needed to prevent you from spreading germs to others.Medical masks used by medical workersare not recommended for common people as they may lead to oxygen deficient(不足的)if worm for long periods.2. ...
根据"Make sure to wear it properly by tightening up the nose clip and puling the bottom of it so that your nose and mouth are both covered.拧紧鼻夹,拉紧鼻夹底部,使鼻子和嘴巴都遮住,以确保正确佩戴"可知应该要遮住你的鼻子和嘴巴。该空这里是动词不定式to do,应该用动词原形,故答案为cover。 4....
How to Breathe When You Run: Trainer Tips and Techniques The way you breathe can make or break your run. Here's how to get your oxygen intake under control. What if we told you one of the most important parts of running had nothing to do with the shoes you wear, how far you run,...
Wearing a fresh new pair of lenses each day will offer more relief to your eyes than wearing a monthly lens. A silicone hydrogel lens such as comfi Pure 1 Day contact lenses will also ensure more moisture and oxygen movement through the lens. Can I use allergy eye drops if I wear cont...
" Well, now you can always start with one of these oximeters that you just clip on your finger and you get a readout. You look on your phone in the morning and it tells you if your oxygen is dropping during the night. There's no reason that that shouldn't be accessible to ...
*Wear a mask properly to 【3】 both your nose and mouth.*Common people aren't advised to use surgical masks because they may 【4】 oxygen deficiency. Cover your coughs and sneezes with tissues * 【5】 cover your mouth and nose with your hands directly when you cough or sneeze, you ...
73.B【解析】根据画线单词后“as they may lead to oxygen deficient if worn for long periods”可知,此处是指不建议使用。故选B。 74.B【解析】根据倒数第二段“Avoid close contact with people who have flu or cold- like symptoms.”可知选B。 75.C【解析】根据Wash your hands often and properly...
The main reason for not wearing stainless steel bracelets and jewelry in a swimming pool is that the chlorine can break down the surface layer of the metal. It’s the chromium in stainless steel that reacts with oxygen and forms a thin, invisible layer of chromium oxide over the surface. ...