下列疾病吞噬细胞吞噬功能正常,但杀菌功能显著降低的是
A.慢性肉芽肿B.髓过氧化物酶缺乏症C.G6PD缺乏症D.Swachman综合征E.类白血病
参考答案:A
In relation to the formation of a company explain:
(b) a pre-incorporation contract, and its legal consequences. (5 marks)
电气设备的绝缘()愈大,其绝缘性能就愈好。
A.电流
B.电阻
C.电压
D.电势