下列对于猩红热患者的饮食护理不正确的是()
A.急性期半流质饮食
B.急性期无盐饮食
C.急性期流质饮食
D.恢复期软食
E.以上都不对
参考答案:B
氮肥能使作物枝叶茂盛,叶色浓绿。下列物质中,能用作氮肥的是( )
A.NH4NO3
B.KH3PO4
C.K2CO3
D. Ca(H2PO4)2
If nature does not provide man with the necessary material, it is the laboratory ____ he will turn to for it. [ ]
A. where
B. that
C. which
D. what