1931年、谁首次成功合成尼龙纤维()
A、摩尔根(美)
B、卡罗瑟(美)
C、、氟莱明(苏格兰)
参考答案:B
The monthly sales of Mo Yan's works 199 times compared with those before he won the Nobel Prize for.Literature.
A.accelerated
B.stretched
C.multiplied
D.switched
烧伤并发症中首位的是()
A.肺部并发症
B.肾功能不全
C.应激性溃疡
D.脑水肿