关于法律调整机制的基本要素说法不正确的是（）。A.绝对要有法律规范 B.法律关系 C

从所给的四个选项中，选择最合适的一个填入问号处，使之呈现一定的规律性（）

A．

B．

C．

D．

实践认为立式闸门高度应比入料最大粒度（）。

A、高3倍以上

B、高2.5～3倍

C、高2倍

D、高1.5～2倍

财政财务审计

零填挖路段含水量较高时路基施工应（）。

A、换填透水性良好的材料

B、换填深度满足设计要求

C、设置渗沟特地下水引出路外

D、分层回填压实

In Swartkans territory, archaeologists discovered charred bone fragments dating back 1 million years. Analysis of the fragments, which came from a variety of animals, showed that they had been heated to temperatures no higher than those produced in experimental campfires made from branches of white stinkwood, the most common tree around Swartkans.
Which of the following, if true, would, together with the information above, provide the best basis for the claim that the charred bone fragments are evidence of the use of fire by early hominids

A．The white stinkwood tree is used for building material by the present-day inhabitants of Swartkans.

B．Forest fires can heat wood to a range of temperatures that occur in campfires.

C．The bone fragments were fitted together by the archaeologists to form the complete skeletons of several animals.

D．Apart from the Swartkans discovery, there is reliable evidence that early hominids used fire as many as 500 thousand years ago.

E．(E) The bone fragments were found in several distinct layers of limestone that contained primitive cutting tools known to have been used by early hominids.