6.D考查代词用法。句子中are应和复数名词或代词连用。而选项当中的this(这个)，that （那个），it(它)都是表示第三人称单数的代词，应和IS连用。故本题选D。
Hemodialysis cleans toxins from the blood and is primarily administered in patients with kidney and renal failure. The cleaning process separates the good parts of the blood from invading toxins. It’s a procedure that involves a dialysis machine and a special filter called an artificial kidney wor...
Along with adopting healthy habits, keep your doctor in the loop about all the medication, vitamins, and herbal supplements you take or are curious about. Your liver cleans your blood. And prescription drugs, over-the-counter medicine, or herbal remedies can tax or harm your body’s filter....
This is the way your body cleans up the dust in your nose. Your lungs push out the air and try to clear your nose.What does my heart do?Your heart is a very special muscle. It is slightly bigger than your fist(拳头)and grows bigger as you do. If you place your hand on your...
So yes, whether you use fingers, toys, or a penis for penetration,peeing cleans out your urethra after sex. As time goes on, your body becomes more used to fending off external bacteria, but it’s still a good idea to pee within an hour or two after sex, no matter how experienced ...
The World Health Organization does this has the scientific basis.Because of the good psychology, can promote the human body internal secretion to be more the beneficial hormone, the enzyme class and so on, these materials can the blood current capacity, the nerve cell adjust excitedly the optimum...
The dentist cleaned my teeth Clean Remove unwanted substances from, such as feathers or pits; Clean the turkey Clean Clean and tidy up the house; She housecleans every week Clean Clean one's body or parts thereof, as by washing; Clean up before you see your grandparents Clean your fingernai...
B.It ends up in the airport’s sewer system. C.In the same way, the plane toilet sucks all the waste into a large container. D.The leaked waste and blue chemical turns into “blue ice.” E.This chemical cleans and removes bad smells with each flush. F.People on the ground can ...
Walking also helps blood sugar levels, is good for bone health, and can help people lose weight and sleep better. That is what Julie Schmied said. She is a health care worker with Norton Healthcare in Kentucky, which runs th...
If you in order to can clean frequently chooses may the laundering fabric, then you should consider first cleans before the manufacture them, will do this can reduce in the future synaeresis question.The sofa wrap, the tablecloth, the pillowcase, the pillow as well as other decoration set ...