题目内容
(请给出正确答案)
[主观题]
Evidence of the extent of the language barrier can be gained from ______ of materials used
by scientists such as books and periodicals.
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第1题
formation about an international conference held in your city. You should write at least 150 words following the outline given below.
有一个会议在你所在的城市召开,你想去参加。给会议的组织者写一封信。说一下你想参加的原因,并简单介绍一下自己。并请他提供一些会议的相关登信息。
第6题
__.
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