1. pre-reading:
- video: See what we can do in biospheres
3. reading comprehension
- What are space colonies? (P1)
- What are biospheres? (P2)
- What is the key to the success of building biospheres? (P2)
- What is the first thing for us to do for building a biosphere? (P3)
- What is the difference between creating biospheres on the Earth and in space? (P3)
- What are the reasons for building biospheres? (P5)
- How were things going with the experimental biosphere near the University of Arizona? (P6)
- What can we learn from biospheres? (P7)
3. mindmap
4. usage and grammar
- ... consider it possible that ... (line 5)
- ... environments where people can be born, ... (line 11)
- ... except for the sun's heat entering through the glass or plastic. (line 19-20)
- Everything must be perfectly balanced, or else the whole system will break down. (line 25-26)
- ... too expensive to continually send people ... (line 37)
- By studying bioshperes, we can understand better ... (line 42)
- ..., we can understand better what will happen as humans destroy tropical forests, ... (line 43)
- So far, only a few experimental biospheres have been built on Earth. (line 47)
5. collocations
- experiment with (line 4)
- ... except for the sun's heat entering through the glass or plastic. (line 19-20)
- take care of ... (line 24)
- break down (line 26)
- reasons for (line 32)
- ... keep us from destroying our own environment. (line 57)
6. Quizlet
1. pre-reading
2. reading comprehension
- How do deaf people communicate?
- In which languages tones are important?
- Is the Basque family taken as a large language family?
- What can language families be divided into?
- How do languages change and evolve?
- Do Japanese have many loan words?
- What is the world's most common language? What language has the largest number of second language speakers?
- Do children and adults learn a second language in the same way?
- How fast do languages disappear in the world?
3. usage
- ... In contrast, ... (line 22)
- ... a child's brain actually acquires a new language differently than an adult's brain does. (line 62-64)
4. grammar
- Some languages are used by millions of people. Others have only a few speakers. (解釋)
- The English word "tomorrow" was borrowed from Nahuatl, an American Indian language spoken in Mexico, ... (line 39-40) （解釋）
- The world's most common language is Mandarin Chinese, which has more than one billion speakers. (line 53-54) （解釋）
5. preposition
- millions of people (line 4)
- ..., meaning is expressed through a system of characters ... (line 7)
- Many hearing-impaired people use sign language, in which gestures do the work of the sound system of spoken languages. (line 10-11)
- ... at least 500 languages ... (line 21)
- ..., and are divided into closely related branches. (line 28-29)
- For example, the English word "byte" was invented by ... (line 37)
- refer to (line 42)
- come into contact with (line 47)
- People learn languages by listening, reading, and using the language. (line 58)
- at a rapid rate (line 73)
- on average (line 74)
6. Quizlet
