The world’s supplies of copper .
举一反三
- The world's supplies of copper _______. A: have been gradually being exhausted B: have gradually exhausted C: are gradually exhausted D: are being gradually exhausted
- What is the primary abnormality in Wilson’s disease? A: Decreased excretion of copper in to bile B: Low serum of total copper C: Increased intestinal absorption of copper D: Reduced synthesis of ceruloplasmin
- If the world population is increasing continuously，food supplies will not be ______ to feed them. A: sufficient B: efficient C: equal D: effective
- 94. There is real concern that food supplies will not be _______ to feed the increasing world population. A: sufficient B: satisfactory C: effect D: efficient
- Fehling's solution consists solution of A and B, a solution of ____, and a solution of potassium sodium copper tartrate.