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问题 单项选择题 A1/A2型题

骨骺分离属于（）。

A.骨折

B.骨髓炎的一种类型

C.关节脱位

D.先天性骨发育不良

E.骨肿瘤

答案

参考答案：A

解析：通过骨骺的骨折叫骨骺分离，骨骺的断面可带有数量不等的骨组织。

完形填空

先通读下面的短文，然后根据短文内容和所给首字母，在空格内填入一个适当的单词，使短文意思完整。所填单词必须在答题卷上完整写出。

DIY, which means Do It Yourself, is quite popular in the UK. Lots of stores and supermarkets sell DIY things. TV programs show people how to DIY.

English people like DIY. If there is anything that needs fixing (修理) around their homes, such as            p 小题1:   the walls or putting in a new shower, they will do the jobs themselves. They share DIY e 小题2:   with their friends. More and more people are fond of DIY and have d 小题3:  the joy of DIY. Sometimes people also DIY for saving money. At present, many people can’t a 小题4:  a big house. They are looking at how they can make their houses better without spending a lot of money. It is not surprising that DIY is so popular.

DIY can be difficult. There is a large market for DIY furniture (家具) which needs to be got together by people themselves w 小题5:   a few tools. However, people often find it not easy to build a piece of furniture because they can’t understand the instructions (指令). Sometimes the instructions are simple and clear, but the furniture i 小题6:  is difficult to build. DIY can also be dangerous if you are not careful enough. It is r 小题7:   that in just one year over 230,000 people were hurt while doing DIY in the UK, including 41,000 who fell off ladders.

DIY can bring us a lot of f 小题8:   and can help us save some money, but it is not always as easy as it is t 小题9:  to be if we do something that is too hard. Maybe factories should make products that are easier and s 小题10:   for us to DIY.
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问答题

盐水选种是我国劳动人民发明的一种挑选种子的方法．现需要密度为1.1×103㎏/m3的盐水，若测得已配好的0.6dm3的盐水质量为540g，

（1）这种盐水是否符合要求？

（2）若不符合，应加盐还是加水？加多少㎏？（ρ盐=1﹒2×103㎏/m3）
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