题目内容
My advice would be to get it done before you _______ the research.
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Police have appealed for witnesses of the accident to ________.
In writing, coherence refers to the 1)____of piece of writing and the ability to organise and ____2____ideas so it’s easy to understand and follow, while cohesion means 3)____words and connecting 4)____within sentences and between paragraphs. In order to in a coherent way, it’s a good idea for candidates to spend some time structuring their essay by using 5)____. It’s useful to use a 6) ____to introduce the main ideas of a paragraph, followed by supporting details such as explanations, evidence, and examples. For good cohesion, it helps when linking words are used, but as with all good writing to avoid 7)____by writing with different kinds of linking words. Linking can be achieved by using 8)____which often includes using pronouns or also using synonyms as a form of 9)____. It is important to remind our students to not over use linking words or phrases though. Overusing any cohesive device can become 10) ____for a reader.
使用TLC定性鉴别时，利用下列哪个参数（ ）
用高效液相色谱法鉴别药物时，常用的鉴别指标是：
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