作者能较灵活地使用词汇表达,但学术词汇的积累还有很大的空间;句式变化多样,句法方面做的很棒;不能熟练使用过渡词,基本没有衔接词;请注意分段;连词使用偏少;请提高文章内敛性,段落和句子要围绕主题展开。
We have invited professor Li bo of Beijing University to give us a speech in Lecture hall about China spaceflight. In this lecture, Professor Li will introduce the background, developing progress of Chinese aerospace industry, and he will also talk about the process of ShenZhou airship series and chinese astronaut's status. Please join in us on Jan-5, 2:3 0pm , Thursday afternoon.