清蛋白低于多少表示重度营养不良
A.35g/L
B.29g/L
C.25g/L
D.21g/L
E.15g/L
参考答案:D
The man at the stage reassured us that all that was pure rumour and was ____ made up by some ill men. [ ]
A. extremely
B. accidentally
C. totally
D. roughly
CRT显示器显示图形图像的原理是图形图像()。
A.由点阵组成
B.由线条组成
C.由色块组成
D.由方格组成