对建筑施工噪声，一般以（）为评价量。
A.二倍频带声压级
B.A声级
C.昼夜等效声级
D.等效连续A声级（LAeq）
参考答案：D
可作为铅中毒诊断指标的是（）
A.血中锌原卟啉增高
B.尿中马尿酸增高
C.尿中酚含量增高
D.血中HbCO含量增高
E.高铁血红蛋白血症
In each of the following groups of words, there are four underlined letters or letter combinations marked A, B, C and D. Compare the underlined parts and identify the one that is different from the others in pronunciation. Mark your answer by blackening the corresponding letter on the Answer Sheet.（）
A. go
B. no
C. to
D. nose
