When the ____system does not function properly, a number of diseases can occur.
举一反三
- Almost all bio-film system work well for de-nitrification, as long as oxygen transfer can be kept to a minimum and plugging does not occur. ( )
- ______ can occur in late shock () A: Prerenal acute renal failure B: Renal acute renal failure C: Chronic renal diseases D: Chronic renal failure E: Normal renal function
- The text mainly supplies information for answering which of the following questions A: Can the immune system be affected by emotional factors B: Why can our bodies fight the bacteria and viruses which cause diseases C: How can the immune system be affected by emotional factors D: Why can't blood cells in bereaved people's bodies work properly
- In English pronunciation, "linking" does not occur in .（ ） A: "both of us" B: "function words" C: "not at all" D: "come on in"
- Trees are a renewable resource that when managed properly can ______ our needs indefinitely.