()是根据线路变化情况,在全年度和线路全长范围内进行的有计划、有重点的,以保持线路质量经常处于均衡状态。
A.综合维修
B.经常保养
C.临时补修
D.线路中修
参考答案:B
Because of the terrible earthquake, some people in Ya’an became homeless and they had to ________the tents for the night.
A.put away
B.put up
C.put off
D.put down
下列排便异常哪项属脾肾阳虚所致()。
A.排便不爽
B.溏结不调
C.里急后重
D.脓血便
E.完谷不化