某县发生地震,县里要编写地震志,如果你是信息采编员,你会怎么收集信息编写地震志?
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It is important to ______ until the plants begin to grow.
You should spend about 40 minutes on this topic.
Write about the following topic:
With the increasing use and development of new technology, many machines are now able to do the work which people used to perform.
What are the advantages and disadvantages of this trend?
Give reasons for your answer and include any relevant examples from your own experience.
Write at least 250 words.
In ancient times, Olympic games were held as a religious festival to honor the Greek gods.
在气相色谱分析中,影响组分分离度的主要因素是__________和___________。