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问题 选择题

化学与生产、生活密切相关，下列说法都正确的是

①江河入海口三角洲的形成通常与胶体的性质有关

②今年洪涝灾害地区很多，灾区重建要使用大量钢材，钢材是合金

③ “钡餐”中使用的硫酸钡是弱电解质

④太阳能电池板中的硅在元素周期表中处于金属与非金属的交界位置

⑤常用的自来水消毒剂有氯气和二氧化氯，两者都含有极性键

⑥水陆两用公共汽车中，用于密封的橡胶材料是高分子化合物

A．①②③④

B．①②④⑥

C．①②⑤⑥

D．③④⑤⑥

答案

答案：B

硫酸钡是强电解质，③不正确。氯气中是非极性键，⑤不正确。答案选B。

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The Commission is expected to propose allowing people to choose which (36) they would come under, based on their (37) or their residency. But the proposal is set to (38) because of the very different laws on divorce that apply across the EU. The Commission wants to (39) problems over which law to apply when, for example, a married couple from one member state is resident in another member state or when the couple is of different ELI nationalities.
The (40) of member states are said to be (41) the idea and responded positively to a (42) which followed the (43) of a Commission Green Paper. With 15% of German divorces each year involving couples of different nationalities, the government of Berlin (44) see resolved the issue of which laws should apply.
But some member states are expected to resist the (45) which would involve allowing different divorce laws to be applied in their countries. For example, Malta does not allow divorce. The proposal would mean that although Maltese nationals could not divorce in Malta, a couple of different EU nationality (46) in Malta could apply to the Maltese court for a divorce under their country’s laws. Similarly in Ireland where the divorce law states a couple must have been separated for four years, establish that their marriage has broken down and be offered (47) a couple from Sweden could apply to an Irish court to allow them to divorce under Swedish law, where divorce can be (48) quickly. The Irish government’s submission to the Commission on the Green Paper stated: "reland is not in favor of allowing (49) to choose the applicable law, as this could be open to abuse ... such abuse would be likely to (50) most on divorce regimes, such as that of Ireland, which require a relatively long separation period."
Ireland, like the UK, however, is allowed to choose whether to "opt-in" to such a proposal under rules agreed in the Amsterdam treaty. Malta has no such (51) but could (52) the proposal in the Council of Ministers since (53) approval will be required. "It is going to lead to (54) said Geoffrey Shannon, Irish expert on the Commission on European Family Law, which examines the (55) of EU family law. The proposal would also mean that judges would have to be trained in the divorce law of all 25 member states.
The Commission is expected to propose allowing people to choose which (36) they would come under, based on their (37) or their residency. But the proposal is set to (38) because of the very different laws on divorce that apply across the EU. The Commission wants to (39) problems over which law to apply when, for example, a married couple from one member state is resident in another member state or when the couple is of different ELI nationalities.
The (40) of member states are said to be (41) the idea and responded positively to a (42) which followed the (43) of a Commission Green Paper. With 15% of German divorces each year involving couples of different nationalities, the government of Berlin (44) see resolved the issue of which laws should apply.
But some member states are expected to resist the (45) which would involve allowing different divorce laws to be applied in their countries. For example, Malta does not allow divorce. The proposal would mean that although Maltese nationals could not divorce in Malta, a couple of different EU nationality (46) in Malta could apply to the Maltese court for a divorce under their country’s laws. Similarly in Ireland where the divorce law states a couple must have been separated for four years, establish that their marriage has broken down and be offered (47) a couple from Sweden could apply to an Irish court to allow them to divorce under Swedish law, where divorce can be (48) quickly. The Irish government’s submission to the Commission on the Green Paper stated: "reland is not in favor of allowing (49) to choose the applicable law, as this could be open to abuse ... such abuse would be likely to (50) most on divorce regimes, such as that of Ireland, which require a relatively long separation period."
Ireland, like the UK, however, is allowed to choose whether to "opt-in" to such a proposal under rules agreed in the Amsterdam treaty. Malta has no such (51) but could (52) the proposal in the Council of Ministers since (53) approval will be required. "It is going to lead to (54) said Geoffrey Shannon, Irish expert on the Commission on European Family Law, which examines the (55) of EU family law. The proposal would also mean that judges would have to be trained in the divorce law of all 25 member states.
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单项选择题

国家根据经济社会发展和（）的需要，不断完善维护国家安全的任务

A.军事利益

B.国家发展利益

C.国家安全

D.社会稳定大局
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