滴定管、容量瓶、移液管在使用之前都需要用试剂溶液进行润洗。
Wise buying is a positive way in which you can make your money go further. The （）you go about purchasing an article or a service can actually （）you money or can add （）the cost.
Take the （）example of a hairdryer. If you are buying a hairdryer, you might （）that you are making the （）buy if you choose one （）look you like and which is also the cheapest （）price. But when you get it home you may find that it （）twice as long as a more expensive （）to dry your hair. The cost of the electricity plus the cost of your time could well （）your hairdryer the most expensive one of all.
So what principles should you （）when you go out shopping?
If you （）your home, your car or any valuable （）in excellent condition, you’ll be saving money in the long （）
Before you buy a new （）,talk to someone who owns one. If you can, use it or borrow it to check it suits your particular （）
Before you buy an expensive （）,or a service, do check the price and （）is on offer. If possible, choose （）three items or three estimates.
请在第（）处填上正确答案。 ["form","fashion","way","method"]
果实及种子传播的方式主要有（） ["风力传播；","水力传播；","人类和动物的活动传播；","果实弹力传播；"]
什么是SPCD？（新概念）？
开放改革以来，我国工程机械制造业的并购、重组和扩张的大潮一直此起彼伏。读“我国工程机械制造业发展阶段示意图”
我国企业在海外布局考虑的最主要区位因素是（） ["原料","动力","技术","劳动力"]
为什么审计人员应函证应收账款？
