物质的用途与性质密切相关,下列各项应用主要利用了其化学性质的是( ) A.用石墨

题型:选择题

问题:

物质的用途与性质密切相关,下列各项应用主要利用了其化学性质的是(  )

A.用石墨做电极

B.用金属钨做灯丝

C.用一氧化碳作燃料

D.用二氧化碳灭火

考点:物理性质和化学性质的区别和应用
题型:选择题

At the beginning of the term, a campaign” to be a good student and a good citizen” was launched in our school, and great changes have taken ________ since then.

Before the campaign, we u_____ to be late for school and failed to hand in our homework in t____.Often, we forgot to greet our teachers and after class we ______(发出)loud noises. Worse still, we jumped the quene when waiting ______ buses. However, the campaigns have changed us a lot. We are no longer late for school and more______(认真)in our homework. We have learned to show______(尊敬)for the elders, help others and give up seats to other passengers.

The campaign is a very good experience, from_____ we have learned a lot. More importantly, we have g___rid of many bad habits becoming better students at school and better citizens in_____(社会)

题型:选择题

下列损失原因中,属于机动车辆损失保险责任免除的有()。

A.全车盗抢 

B.人工直接供油、高温烘烤造成的损失 

C.空中运行物体坠落 

D.自燃以及不明原因产生的火灾 

E.爆炸

题型:选择题

下列知识结构中,正确的是: [ ]

A.

B.

C.

D.

题型:选择题

根据亚当·斯密的国际分工理论,如果一国在某种产品的生产上具有比别国更高的劳动生产率,则该国在这种产品上具有()

A.绝对优势

B.相对优势

C.比较优势

D.国家竞争优势

题型:选择题

居住在甲国的一乙国公民死于甲国,在丙国遗有不动产,因该不动产的继承在丙国法院进行诉讼。丙国冲突规范规定继承适用被继承人死亡时的属人法,即乙国法;乙国法冲突规范则规定继承适用死者最后住所地法,即甲国法;甲国冲突规范又规定,不动产继承适用不动产所在地法,即丙国法。采用国际私法中的何种制度可以达到适用丙国实体法的结果

A.反致

B.转致

C.间接反致

D.完全反致

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