[听力原文] ？？农民工最关心什么问题？（）
A．希望多些保障
B．希望提高工资
C．希望多些技术培训
D．希望大家看得起他们
参考答案：C
在高土壤电阻率地区，可根据现场实际情况采取( )措施降低接地电阻。
A．增大接地网垂直接地极和水平均压带的数量B．可敷设引外接地极或敷设水下接地网C．填充电阻率较低的物质或降阻剂D．采用井式或探钻式接地极
— What do you know about Darwin after he returned from the trip by sea?
— Well, he got married and ________ down to live in London. [ ]
A. solved
B. settled
C. stayed
D. left
