Question 3
A. It aroused in her a strong interest in Spanish culture.
B. It excluded the use of other languages in the classroom.
C. It proved to be an unbalanced way to learn the language.
D. It explored the cultural and language elements in great depth.
Question 4
A. She worked as an interpreter in a company.
B. She volunteered to work in a Spanish church.
C. She acted as a tourist guide on a trip to Mexico.
D. She taught Spanish speakers how to speak English.
用电设备、发电机、变压器的额定电压与同级电网的额定电压之间有什么关系?