| Listen and choose.
Review
1. ()①An astronaut is a special .
A. teacher B. scientist C. doctor
()②What do astronauts wear in space?
A. Special spacesuits. B. Warm coats. C. Soft shoes.
2. ()①The Sun is in the middle of our solar system.
A. a cold planet B. a huge, hot star C. a small moon
()②What would happen if there were no Sun?
A. Earth would be cold, dark and lifeless.
B. Plants would grow better in the dark.
C. Animals would live without any warmth.

1. ①B ②A 2. ①B ②A

Ⅱ.Read, choose and write.
there is there are there aren't there will be
Chen Jie is reading about Mars. First, 1. some interesting things on Mars. For example, 2. water on Mars, and 3. soil too. However, 4. any aliens on Mars, and people say 5. any living things there. But 6. a beautiful sunrise on Mars every morning. In the future, 7. a chance for people to travel to Mars. Scientists say 8. many new things to learn about the "red planet". China put a rover there, so 9. new information every year. Maybe one day 10. a taikonaut walking on Mars.

1. there are 2. there is 3. there is 4. there aren't 5. there aren't 6. there is 7. there is 8. there are 9. there is 10. there will be

【分析】
本题考查there be句型的用法，解题思路为：先判断句子时态（一般现在时表现状、一般将来时表未来），再根据be动词后的名词单复数/可数不可数确定be动词形式，最后结合句子的肯定/否定含义，选择对应的there be结构。
【解析】
1. 空后是复数名词短语"some interesting things"，一般现在时肯定句，用there are；
2. 空后是不可数名词"water"，一般现在时肯定句，用there is；
3. 空后是不可数名词"soil"，一般现在时肯定句，用there is；
4. 空后是复数名词"aliens"，且句中有any（用于否定句），一般现在时否定句，用there aren't；
5. 空后是复数名词短语"any living things"，句中有any（用于否定句），一般现在时否定句，用there aren't；
6. 空后是单数名词短语"a beautiful sunrise"，一般现在时肯定句，用there is；
7. 空后是单数名词"a chance"，表现状的可能性，一般现在时肯定句，用there is；
8. 空后是复数名词短语"many new things"，一般现在时肯定句，用there are；
9. 空后是不可数名词"new information"，一般现在时肯定句，用there is；
10. 空后是表未来的动作"a taikonaut walking on Mars"，一般将来时肯定句，用there will be；
【答案】
1. there are 2. there is 3. there is 4. there aren't 5. there aren't 6. there is 7. there is 8. there are 9. there is 10. there will be
【知识点】
there be句型、一般现在时、一般将来时
【点评】
本题为there be句型的基础应用，结合名词属性、时态及肯定否定判断，是英语入门阶段的典型题型，侧重考查核心规则的掌握。
【难度系数】
0.6

Ⅲ. Fill in the blanks according to "Reading time".
读一读本单元的“Reading time”,并填空。
1. The planet to the Sun is not the hottest.
2. The hottest planet is .
3. The Great Red Spot is a big storm on .
4. Neptune has the wind in the solar system.
5. Neptune's winds can reach over 2,000 kilometres per .
6. has over a hundred moons.
7. Footprints on the Moon could stay there for thousands of .
8. There are thousands of pieces of space junk around Earth.
9. Space junk is objects left in space.
10. The number of space junk is .

1. closest 2. Venus 3. Jupiter 4. fastest 5. hour 6. Saturn 7. years 8. floating 9. man-made 10. growing

【分析】本题要求根据单元“Reading time”的阅读内容完成填空，解题思路为：先明确每个句子的语境，再对应阅读材料中关于太阳系行星特征、太空垃圾等相关细节，选择符合语法和语义的词汇填入空白处，确保答案与阅读原文一致。
【解析】1. 阅读中提到离太阳最近的行星不是最热的，故填closest；2. 阅读明确最热的行星是金星，故填Venus；3. 大红斑是木星的著名风暴，故填Jupiter；4. 阅读指出海王星拥有太阳系最快的风，故填fastest；5. 风速单位为每小时，故填hour；6. 阅读提到土星有超过一百颗卫星，故填Saturn；7. 月球上的脚印可留存数千年，故填years；8. 太空垃圾在地球周围漂浮，用现在分词floating表伴随状态；9. 太空垃圾是人造物体，故填man-made；10. 阅读说明太空垃圾的数量在增长，故填growing。
【答案】1. closest 2. Venus 3. Jupiter 4. fastest 5. hour 6. Saturn 7. years 8. floating 9. man-made 10. growing
【知识点】天文常识、阅读理解细节、词汇运用
【点评】本题依托单元阅读材料，考查对天文相关内容的细节掌握及词汇的语境运用，难度适中，只要认真阅读材料即可完成。
【难度系数】0.3