Keeping a diary in English is one of the best ways to improve our English writing ability.

    Compared with other forms of writing, it is shorter and takes ____(little) time. It can help us to develop the habit of thinking in English.____we stick to this practice,____ (gradual) we'll learn how to express (表达) ourselves in English. In keeping a diary in English, we certainly run up against many ____ (difficult). In the first place, it often ____(happen) that we have trouble ____(find) proper words and phrases to give expression to our mind. And____ is very hard for us to put them into English properly.

    As far as I am____(concern), my suggestion is that we should always have a notebook and a Chinese­English dictionary within easy reach. We can also turn to our English teacher for help, if necessary. In short, I believe that it is ____great use to keep a diary in English for the development of ____ (we) writing skills.

根据题目要求，回答以下问题： 

如图是由3个圆构成的类别关系，其中Ⅰ为大圆，Ⅱ和Ⅲ分别为大圆之内的小圆。符合这种类别关系的是(　　)

课桌的表面积是0.27 m²,当时的大气压强约1×10⁵Pa,某同学估测大气对课桌的上表面的压力是____ N。

下列是18世纪末到19世纪中期法国社会出现过的政体形式，按其先后顺序排列正确的一项是
①法兰西第一帝国②法兰西第一共和国③法兰西第二共和国④法兰西第二帝国⑤复辟的波旁王朝