内容正文:
B3U4 Space Exploration – 课外素材
I. Listening Task (no more than 3 words for each blank)
Chinese scientists have discovered 1._______________ types of glass material in lunar samples retrieved by the Chang'e-5 mission, including natural fiberglass, which has been found for the 2._____________ and could provide important support for future lunar base 3._______________, according to the Institute of Physics under the Chinese Academy of Sciences.
The material, which includes spherical(adj.球形的), ellipsoidal(adj.椭圆体的) and dumbbell-shaped(adj.哑铃形的) glass beads(n.珠子), as well as colloidal(adj.胶状的) 4.____________ with a porous(adj.有气孔的) structure and sputtering(adj.溅射的) material in fluid form, have also been found.
Researchers 5._____________________ and formation of a particular material, which originated from mineral melting and rapid cooling 6.__________________ meteorite(n.陨石) impacts on the lunar 7.____________. Through comprehensive analysis of the material's morphology(n.形态学), composition, microstructure, and formation, they discovered multiple mechanisms 8.________________ it was formed.
The glass with a higher length-to-diameter ratio(长径比) was formed under 9.______________________ and speed when a meteorite impacted the lunar surface, reflecting 10.________________ events compared with the formation of glass beads which have a lower length-to-diameter ratio.
Word Bank
1. 载人飞船 manned spacecraft
2. 着陆区 landing area
3. 月球车 lunar rover
4. 交会对接 rendezvous and docking
5. 出舱活动 extravehicular activities (EVAs); spacewalk
6. 货运飞船 cargo spacecraft
7. 登月舱 lunar module
8. 失重 Loss of gravity
9. 中国航天日 Space Day of China(每年4月24日)
10. 我们的征途是星辰大海:Our Conquest is the Sea of Stars.
真题链接·2020全国卷I
China has become the first country to land a spacecraft on the far side of the moon. The unmanned Chang’e-4 probe (探测器) - the name was inspired by an ancient Chinese moon goddess - 61 (touch) down last week in the South Pole-Aitken basin. Landing on the moon’s far side is