下列哪个单词读音不包含[u]音？[/u] A: où B: chute C: goût D: yaourt

（ ） refers to the channel on a steep slope, and it is also known as the suspended ditch. A: Chute B: side ditches C: seepage ditch D: underdrain

A section of the river that is narrower than usual and is often navigable from bank to bank is a（）. A: chute B: stabilized channel C: slough D: navigable pa