触电伤员如意识丧失，应在（）内，用看、听、试的方法，判定伤员呼吸心跳情况。A.5s；

Mrs Kufa, a resident of Bulawayo, is owed $10,000·00 by Velvet Furniture (Pvt) Ltd. The money is owed in respect of furniture making timber supplied to the company during the months January to July 2009. The timber was harvested from Mrs Kufa’s extensive timber plantation near Bulawayo. The registered offi ce of Velvet Furnitures (Pvt) Ltd is in the capital city Harare, about 400 kilometres away. Mrs Kufa’s neighbours, Mr and Mrs Samaita, are the sole shareholders and directors of the company and she has not been on good terms with the couple in recent weeks. She issued a summons against the company and the Samaitas as co-defendants claiming the sum of $10,000·00 plus costs of the suit. Apart from Mrs Kufa the company owes several other creditors various sums of money, which it has failed to pay. The summons was placed in the Samaitas’ home letterbox in Bulawayo.Mrs Kufa approaches you seeking advice on whether she can succeed in having Velvet Furnitures (Pvt) Ltd wound up.Required:In relation to company law advise Mrs Kufa on:

(b) the legal basis upon which she can have the company wound up. (5 marks)

人口大量进入城市将会带来的问题有（）①环境污染加剧②交通堵塞、居住条件差③绿地面积扩大④农村出现大量剩余劳动力

A.①②

B.②③

C.①③

D.③④

当绝缘受潮、老化时，有功电流I_R将增大，tgδ也增大。通过测量tgδ很灵敏地反映出绝缘的集中缺陷。

核仁开始解体、核膜开始消失出现于（）

A.有丝分裂前期

B.有丝分裂中期

C.有丝分裂后期

D.有丝分裂末期

肺心病的心电图改变中，不正确的是

A．右心房肥大
B．极度顺钟向转位
C．肺性P波
D．肢体导联QRS波群低电压
E．左心房肥大