聚乙二醇与酶非共价地相互作用是通过（）连接的： ["子键","氢键","德华力","疏水键"]
企业对库存现金清查中发现的确实无法查明原因的长款，批准后应将其计入（）。 ["其他业务收入","资本公积","盈余公积","营业外收入"]
不是化学修饰法的缺点的是（） ["难度大","成本高","专一性差","有目的性"]
沥青混合料的配合比设计包括（）、（）、（）三个阶段。
Which two of these are characteristics of an IPS device?（） [" passively listens to network traffic"," is an active device in the traffic path"," has a permissive interface that is used to monitor networks"," traffic arrives on one IPS interface and exits on another"]
我国路面设计的标准轴载是（）。
