Did people die in the bombings?
A.No one died in the bombings.
B.Yes. In one of the bombings.
C.Yes. In two of the bombings.
D.Yes. In all the bombings.
第5题
艾滋病最常见的传染途径是
A、哺乳、黏膜接触等方式感染婴儿
B、应用污染的针头进行静脉注射
C、输血及血制品的应用
D、性接触传播
E、母体病毒经胎盘感染胎儿
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