水文测站的水情信息是该站所观测项目水文要素()的表现和记载,也是所控制江河或河段等水体变化情况的实录。
A、变化过程
B、静态过程
C、历史过程
D、未来过程
参考答案:A
Effective teachers are those ________ the students they teach. They support them in ways that bring
out their best. [ ]
A. interested in
B. interesting to
C. are interested in
D. are interesting to
当混凝土帏幕作为永久支护时,其内壁要砌一层厚度大于()的井壁。
A.10厘米
B.20厘米
C.30厘米