生产技术的进步和成本的降低意味着产品价格的降低。()
A. 对
B. 错
一般价格发生变化时,供给和需求也会随之发生变化。()
A. 对
B. 错
Which of the following statement about controlling nervousness is incorrect?
A. stablishing a right perception of yourself
B. Acquiring more speaking experiences
C. Making enough preparations
D. Staying up late before you give a speech
How can good listening benefit us？
A. Good listening provides uswith right language input
B. Good listening can help usestablish healthy relationships.
C. Good listening can advance ourcareers.
D. Good listening can take the place of speaking.
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