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【单选题】
Japanese drug and hospital companies kept selling tainted blood ______ .A.
at the time when Japanese government required that untreated blood was forbidden to be imported from abroad
B.
when it was sure HIV virus was a great threat to human beings
C.
because there was an emergent need for blood in treating hemophiliacs
D.
as the Health and Welfare Ministry made an unanimous recommendation on the imports of blood products
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【单选题】瓦层面工程量按( )计算。挑出基层的尺寸,按设计规定计算,如设计无规定时,彩色水泥瓦、粘土平瓦按水平尺寸加70mm、小青瓦按水平尺寸加50mm计算。
A.
设计图尺寸以斜面面积
B.
设计图尺寸以外墙外边水平面积
C.
设计图尺寸以水平投影面积
D.
设计图尺寸以外墙轴线水平面积