第四纪黄土沉积以黄土层和古土壤层交互沉积为特征。当风尘堆积作用小于成土作用时形成黄土层，反之，形成古土壤层。（）

阐述复合地基中桩土应力分布特点及桩土荷载分担的影响因素。

土壤中微生物的数量及分布受（）、（）和（）的影响。

土压力有哪几种类别？土压力的大小及分布与哪些因素有关？

按土壤质地分类，土壤通常可以分为沙质土、（）、壤土三类。

基于中国土壤系统分类制的中国土壤分布，我国（）分布区是我国农业精华地区和主要林区。

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

The （） is used for hauling in or letting out the wires or ropes.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。