减少肝性脑病诱因的常用措施有哪些？

I can’t swim because I have a strong fear of water. Look back on my childhood experience, I think three reason might explain the fear. The first reason is that I was not allowed to walking near the water when I was a child, for my mother had unreasonable fear of it. So , even as a child, when I was taught to see the water as something danger. Second, my eyes became bad when I was five . If only I took off my glasses in the water, I could not see anything, but this increased my fear. The worst part of your experience is that as a child once, I see a neighbor drown. Since then I have been more frightened.

最大坡长限制是指（）。

A.较陡纵坡的最大长度限制

B.合成纵坡的最大长度限制

C.平均纵坡的最大长度限制

D.极限纵坡的最大长度限制

课外阅读。

　　孟子曰：“君子有三乐，而王天下者不与存焉。父母俱存，兄弟无故^①，一乐也；仰不愧于天，俯不怍于人，二乐也；/得天下英才而教育之，三乐也/。君子有三乐，而王天下者不与存焉。”（选自《孟子?尽心上》）

【注释】①故：事故，指灾患病丧。

1．解释下列加粗的词。

（1）父母俱存__________________

（2）俯不怍于人__________________

2．用现代汉语翻译下面的句子。

得天下英才而教育之，三乐也。

________________________________________________

3．由孟子的“三乐”，我们可以联想到《论语》中所说的人生之“乐”，请写出一句。

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依据《中华人民共和国水土保持法》，下列说法中，符合建设工程防止水土流失规定的有（）。

A、矿山企业棑弃的尾矿必须堆放在规定的专门存放地

B、在铁路取土场和废弃土存放地的裸露土地，必须植树种草

C、矿山企业因采矿破坏的植被，必须采取措施恢复表土层和植被

D、在公路两侧地界以内山坡地必须修建护坡或采取其他土地整治措施

概念的获得有（）和（）两种方式。