题目内容

After __years, the traditions are still upheld by the local people.

A. thousand
B. thousands
C. thousand of
D. thousands of

查看答案

搜索结果不匹配？点我反馈

更多问题

I couldn’t find words__him what I was feeling at the moment.

A. tell
B. to tell
C. telling
D. told

PO2电极属于（）

A.离子选择电极
B.金属电极
C.氧化还原电极
D.离子交换电极
E.玻璃电极

PO2电极使用时外加直流电压的范围是（）

A.0~0.2V
B.0.2~0.4V
C.0.4~0.8V
D.0.8~1.2V
E.1.2~1.6V

PCO2电极属于（）

A.离子选择电极
B.金属电极
C.氧化还原电极
D.离子交换电极
E.气敏电极