Listen again to part of the talk. Then answer the question. Why does the professor say this:
A.
To point out the diversity of plant life
B.
To give an example of an environmental cue
C.
To compare different ecosystems where plants live
D.
To explain why few plants survive in the desert
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参考答案:
举一反三
【简答题】阅读理解。 Tom gets up at half past seven in the morning. He has an egg and some milk for his breakfast. Then he begins to go to school slowly. When he is on his way to school, he is thinking, 'I told my t...
【简答题】Tom gets up at half past seven in the morning. He has an egg and some milk for his breakfast. Then he begins to go to school slowly. When he is on his way to school, he thinks, “I tell my teacher my m...