great scientists
Period 6 Using languageListening and speaking
Pre-listeningDeal with the passive words低频词 in the listening material.astronomerastronautuniversityengineerrocketinstituteadmirerightfullyambition
天文学家宇航员大学工程师火箭学院,协会钦佩,羡慕正当地理想,理想
Important phrasesthe space industrydoctor’s degreespace programmelook forward tonow that
航空业博士学位航空项目期望,期盼既然


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