某城市流浪儿童救助中心有一些暂时无法回归家庭的儿童。为了给这些儿童创造家庭环境，使其

通常改性沥青混合料比普通沥青混合料的施工温度( )。

A.低

B.高

C.相同

D.无要求

Greg is a member of the board of directors of Huge plc. He also controls a private limited company Imp Ltd through which he operates a management consultancy business. He also owns all the shares in Jet Ltd through which he conducts an investment business.When Greg learns that Huge plc are going to make a takeover bid for Kop plc he arranges for Jet Ltd to buy a large number of shares in Kop plc on the Irish Stock Exchange on which it makes a large profit when it sells them after the takeover bid is announced. He then arranges for Jet Ltd to transfer the profit to Imp Ltd as the charge for supposed consultancy work. The money is then transferred to Greg through the declaration of dividends by Imp Ltd.Required:Analyse the above conduct from the perspective of criminal law paying particular attention to the issues of:

(a) insider dealing; and (5 marks)

高压电极应使用直径不小于30mm的金属管，被试品应垂直悬挂，接地极的对地距离为1.0～1.2m。接地极及接高压的电极（无金具时）处，以50mm宽金属铂缠绕。试品间距不小于（）mm，单导线两侧均压球直径不小于200mm，均压球距试品不小于1.5m。

A.100；

B.300；

C.500；

D.250

芳香化酶的作用是（）

A.促进雄激素生成

B.促进孕激素生成

C.促进雌激素生成

D.促进前列腺素生成

E.促进硫酸脱氢表雄酮生成

简述我国婚姻家庭法的法律构成和法律渊源。