施工现场对环境的影响，主要表现在（）等。
A.污水、废气和振动
B.噪声和光污染
C.固体废弃物和扬尘D
.放射性污染
参考答案：A, B, C
急性心肌梗死合并休克时禁用（）
A.糖皮质激素
B.洋地黄
C.去甲肾上腺素
D.多巴胺
E.异丙肾上腺素
His father is a laid-off worker with a total income of around 300 yuan per month, which ________ only the basic needs of his family.
A．offers
B．supports
C．affords
D．covers
His father is a laid-off worker with a total income of around 300 yuan per month, which ________ only the basic needs of his family.