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【多选题】
马桶长流水的原因主要有（ ）。
A.
水箱水位过高，溢流
B.
排水阀密封阀盖与阀体密封面配合不紧密
C.
液位设置过低
D.
自来水水压过高
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】How does water scarcity (缺乏) affect people First of all, it (51) their health. It is not that they will die (52) thirst; rather, the poor quality of the water (53) for cooking and drinking may m...
A.
with
B.
to
C.
for
D.
from
【单选题】How does water scarcity (缺乏) affect people First of all, it (51) their health. It is not that they will die (52) thirst; rather, the poor quality of the water (53) for cooking and drinking may m...
A.
decorations
B.
luxuries
C.
wastes
D.
recreations