题目内容

Hundreds of people who were killed or injured in the explosion were all African Americans.

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用于肿瘤免疫导向治疗

A. 干扰素
B. 卡介苗
C. 瘤苗
D. 免疫效应细胞
E. 免疫毒素

Three weeks after the explosion, when the black sailors were ordered back to work most of them ______.

进口原木带有树皮的应在植物检验检疫证书中注明除害处理方法，使用药剂、剂量、处理时间和温度。( )

A. 对
B. 错

入境废物包括固体废物、工业固体废物和城市生活垃圾。( )

A. 对
B. 错