人体血红蛋白中含有Fe2+,如误食亚硝酸盐,会使Fe2+转变为Fe3+而使人中毒,服用维生素C可缓解亚硝酸盐的中毒,请据此判断维生素C可能具有 ( )
We have six new ___________. A. light B. fans C. pen
The ball is ___________. A. in the door B. in the bed C. under the chair
How _______ books do you ______ ? A. many; has B. many; have C. much; have
Let ________ clean the classroom. A. I B. me C. we
What ______ is it? A.many B. are C.colour