热电偶回路热电动势只与组成热电偶的材料及两端温度有关。
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[音频]1. The man likes autumn because it is _______.
A. cool
B. hot
C. cold
2. What does the man like to see in autumn?
A. Colors of trees.
B. Leaves fallen on the ground.
C. Both A and B.
3. Which of the following sports games is NOT mentioned in the talk?
A. Basketball.
B. Volleyball.
C. Football.
4. Which of the following two days are in October?
A. Halloween and Thanksgiving.
B. His birthday and Halloween.
C. Thanksgiving and his birthday.
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