滴定管内壁不能用去污粉清洗,以免划伤内壁,影响体积准确测量。 正确。 错误。
简述收支预算法的内容。 正确。 错误。
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。 正确。 错误。
对期望理论的正确理解包括() 正确。 错误。
阅读材料,完成下列各题。
材料1:赣州古城是沟通赣、湘、闽、粤的江南重镇,境内河流有章江、贡江,交汇合流为赣江而北去。美丽的赣州古城正处于低山、丘陵的环抱,章、贡、赣江的环绕中,构成“山为翠浪涌,水作玉虹流”的靓丽风光,有“千里赣江第一城”誉称。下图为“赣州市略图”。
材料2:赣州市矿产资源以有色、稀有金属矿为主,素有“世界钨都”和“稀有金属不稀有”之称。钨已探明的储量占世界第一。稀土探明储量居全国第二,是全国重要的有色金属冶炼基地。
(1)图中的国道延伸的方向大致是()。 (2)图中旧城区形成较早的原因主要是()。 (3)分析赣州市成为全国重要的有色金属冶炼基地的区位优势。 (4)图示区域可能面临的主要环境问题是()。 正确。 错误。
社会救济虽然不像社会保险那样是社会保障体系中的核心部分,但它是保障社会安全的“最后一道防线”。