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第五课时　Section B (3a－3c)
答案见活24
用括号内所给单词的适当形式填空
1．Regular physical exercise brings many health 　　　　 (benefit) to people of all ages.
2．The new smart library 　　　　 (operate) by a team of professional staff.
3．This new app can be used 　　　　 (improve) our speaking skills.
4．I 　　　　 (do) a lot of research on space travel to prepare for my speech.
5．We 　　　　 (visit) the science museum next Saturday to learn about new technologies.
答案见活24
阅读理解【主题：人与自然　太空实验】
　　①On Earth, we use bricks (砖块) to build houses, but what about building things on the moon 　▲　 Scientists at Huazhong University of Science and Technology (HUST) have developed “lunar bricks”. They hope to use the bricks to build a research station on the moon.
　　②To make the bricks, the scientists used a lunar soil simulant (月壤模拟物). The bricks are more than three times stronger than normal red bricks. They also have special structures, which were used in ancient Chinese buildings. This makes it possible to simply put these bricks together.
　　③Professor Zhou Cheng from HUST said that they had tested five different kinds of simulated lunar soil compositions (成分) and used three ways to harden them. In this way they could choose the best materials for making the bricks. “Lunar soil isn't the same as the soil on the moon，” Zhou said. “For example, one of the kinds tested simulates the lunar soil at the landing site of ‘Chang'e 5', which is mainly basalt (玄武岩)．”
　　④The lunar bricks need to be tested well before being used because the moon has an extreme (极端的) environment. Quakes often happen there. And it gets as hot as 180 ℃ during the day and as cold as －190 ℃ at night. The lunar bricks have been sent to China's space station on the Tianzhou-8 spacecraft. There, scientists carried out tests to see how well the bricks work in space. The first brick returned to Earth on November 14th, 2025.
1．(新考向　词句还原题)Which of the following can be put in “　▲　” in paragraph 1
A．We use “lunar bricks”， of course!
B．The question is too difficult to answer.
C．Many people dream of going to the moon.
D．Scientists may study the topic in the future!
2．(新考向　图片理解题)Which properly shows the strength comparison of lunar bricks and red bricks
　　　　
A　　　　　　　　　　　　B
　　　　
C　　　　　　　　　　　　D
3．What is the main idea of the fourth paragraph
A．The introduction of China's Tianzhou-8 spacecraft.
B．The reasons why lunar bricks need to be tested in space.
C．The temperature difference on the moon between day and night.
D．The time when the lunar brick will return to Earth.
4．(新考向　篇章结构题)What is most probably the structure of the passage
A． B．
C． D．
详解答案
基础达标
1．benefits　2.will be operated
3．to improve　4.have done　5.will visit
能力提升
【语篇解读】本文主要介绍了为了在月球上建造房屋，中国科学家正在尝试制造月壤砖。
1．A　解析：词句还原题。根据第一段“Scientists at Huazhong University of Science and Technology (HUST) have developed ‘lunar bricks’．”可以推测，此处内容和“月壤砖”有关。选项A“我们当然使用‘月壤砖’”符合语境。故选A。
2．C　解析：图片理解题。根据第二段“The bricks are more than three times stronger than normal red bricks.”可知，月壤砖的结实度是普通红砖的三倍多。故选C。
3．B　解析：段落大意题。根据第四段“The lunar bricks need to be tested well before being used because the moon has an extreme (极端的) environment.”及通读第四段可知，第四段主要说明需要在空间站进一步测试月壤砖的原因。故选B。
4．B　解析：篇章结构题。通读全文可知，①②段介绍月壤砖的提出与特点；③段讲如何挑选制砖材料；④段说明需在太空测试月壤砖。故选B。

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