题目
____ for Mr.William, who dared to publish it.
A) if had it not been B) had it not been
C) is it not being D) its only having been
第1题
A.轻度危害(Ⅳ级):THI<35
B.中度危害(Ⅲ级):THI≥35~<50
C.高度危害(Ⅱ级):THI≥50~<65
D.极度危害(工级):THI≥65
第4题
A.ρ={R1(CSG),R2(CT),R3(THI),R4(HIC),R5(HSI)}
B.ρ={R1(CSG),R2(CT),R3(THI),R5(HIC)}
C.ρ={R1(CSG),R2(CT),R3(THI),R4(HSI))
D.ρ=(R1(CSG),R2(CT),R3(HIC),R4(HSI)}
第7题
A.轻度危害(Ⅳ级):THI<35
B.中度危害(Ⅲ级):THI≥35~<50
C.高度危害(Ⅱ级):THI≥50~<65
D.极度危害(工级):THI≥65
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