What do we know about the people on the island near Spain?
A. They know different kinds of languages.
B. They like to whistle to each other for hours.
C. They use whistling to communicate with others.
D. They learn a whistling language from their cattle and sheep.
What are the people on the island doing?
A. Preserving the island and mountains.
B. Teaching the whistling language in schools.
C. Asking people to move to the mainland of Spain.
D. Encouraging people to use modern ways of communication.
白芍现代应用于治疗
A. 痛风
B. 类风湿性关节炎
C. 高血压
D. 心律失常
E. 感染性休克
麝香降血压作用环节是
A. 抑制血管运动中枢
B. 阻断神经节
C. 阻断血管a受体
D. 扩张外周血管
E. 阻断心肌b受体
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