On keeping a Diary in English
Keeping a diary in English is one of the小题1:__ (effect) ways to improve our English writing ability.
小题2:__ (compare) with other forms of writing, it is shorter and takes小题3:___ time. It can help us to develop the habit of thinking in English.小题4:___ we persist in this practice, gradually we’ll learn how to express ourselves in English. In keeping a diary in English, we certainly run up against many 小题5:__（difficult）. In the first place, 小题6:__ often happens that we have trouble 小题7:__(find) appropriate words and phrases to give expression to our mind. Secondly, there are many idiomatic ways of saying things in Chinese. And it is extremely hard for us to put them into English properly.
As far as I 小题8:_ (concern), my suggestion is that we should always have a notebook and a Chinese-English dictionary within easy reach. Whenever something beats us, we can first put it down in our notebook and then consult our dictionary. We can also turn to our English teacher for help, if necessary. In short, I believe that it is 小题9:__ great use to keep a diary in English for 小题10:__ development of our writing skills.
（2008年上海卷，化学，18）设计学生试验要注意安全、无污染、现象明显。根据启普发生器原理，可用底部有小孔的试管制简易的气体发生器（见右图）。若关闭K，不能使反应停止，可将试管从烧杯中取出（会有部分气体逸出）。下列气体的制取宜使用该装置的是