<big id="ebera"><label id="ebera"><bdo id="ebera"></bdo></label></big>

<bdo id="ebera"><optgroup id="ebera"></optgroup></bdo>

<center id="ebera"><label id="ebera"></label></center>

單項選擇題

Currents are（）in rate and direction.

A.vary
B.variable
C.variably
D.variability

你可能感興趣的試題

單項選擇題

Current refers to the（）.

A.vertical movement of the water
B.horizontal movement of the water
C.density changes in the water
D.None of the above

單項選擇題

A structure，usually made of stone，or cement pilings，which extends from the bank at approximately right angles to the current is called a（）.

A.dike
B.revetment
C.cutoff
D.crib

感谢您访问我们的网站，您可能还对以下资源感兴趣：

国产黄色视屏

视频一区二区无码制服师生国产三级香港三级人妇国产码一区二区在线观看国产伦精品一区二区三区免费观看

<fieldset id="ndvrq"><optgroup id="ndvrq"></optgroup></fieldset>

<bdo id="ndvrq"><small id="ndvrq"></small></bdo>