【简答题】PH梯度萃取法的原理是什么?如何利用该法分离大黄中的5种游离羟基蒽醌化合物?5分
【单选题】我国现行的多项法律均不同程度地涉及了采购法的内容,下列说法错误的是( )。
B.
《民事诉讼法》与《仲裁法》是对民事采购中发生的纠纷通过法律途径进行解决的主要法律规范
C.
《行政复议法》与《行政诉讼法》是对政府采购中发生的纠纷通过法律途径进行解决的主要法律规范
【单选题】听力原文: In some countries certain kinds of insurance are compulsory. In others, most kinds are practically unknown. In addition, the cost of insurance and the type of coverage provided vary widely from ...
A.
To tell us that accidents may take place at any time.
B.
To prove that it is wise to spend money on insurance.
C.
To prove that buying insurance is a wasted investment.
D.
To tell us that the sense of security is very important in driving.
【简答题】下列纠纷中,不能通过仲裁途径解决的是( )。 A老李夫妇的离婚协议 B林老汉三个儿子关于继承遗产的纠纷 C海问公司同海淀工商行政管理机关就文件采购问题产生的纠纷 D王某侵犯李某房屋租赁的纠纷 E.中外合作经营合同纠纷
【单选题】当混凝土堵塞导管时,可采用( )(注意不可将导管口拔出混凝土面)处理,当所堵塞的导管长度较短时,也可以用型钢插入导管内来疏通导管,也可以在导管上固定附着式振动器进行振动来疏通导管内的混凝土。
【单选题】当混凝土堵塞导管时,可采用___、___注意不可将导管口拔出混凝土面处理,当所堵塞的导管长度较短时,也可以用型钢插入导管内来疏通导管,也可以在导管上固定附着式振动器进行振动来疏通导管内的混凝土。
【单选题】在采购活动中发生的争议主要是( )的争议,在法律上也主要是通过民事诉讼的途径进行解决。
【判断题】如果内球笼与半轴配合过紧,不可将半轴固定在压力机上操作。( )
【单选题】听力原文: In some countries certain kinds of insurance are compulsory. In others, most kinds are practically unknown. In addition, the cost of insurance and the type of coverage provided vary widely from ...
A.
Helping the needy to survive.
B.
Sharing risks of possible losses.
C.
Being compulsory in most countries.
D.
Covering differently according to different situations.