被含血循毒的毒蛇咬伤后，局部症状是（）
A.肿胀剧痛
B.起水疱
C.微痛
D.坏死溃疡
E.麻木感
参考答案：A, B, D
Kate was so glad ______ she received a Christmas gift from his grandparents away in Thailand.[ ]
A. that
B. when
C. if
预防井内落物的措施的措施是什么？
