多弯头的咬接是（）。 A.先咬环向缝后咬纵向缝 B.先咬纵向缝后咬环向缝 C.环向、

The following questions present a sentence, part of which or all of which is underlined. Beneath the sentence, you will find five ways of phrasing the underlined part. The first of these repeats the original; the other four are different. If you think the original is best, choose the first answer; otherwise choose one of the others.

These questions test correctness and effectiveness of expression. In choosing your answer, follow the requirements of standard written English; that is, pay attention to grammar, choice of words, and sentence construction. Choose the answer that produces the most effective sentence; this answer should be clear and exact, without awkwardness, ambiguity, redundancy, or grammatical error.

SEC regulations require that a public company disclose to their potential investors any legal, technological, or financial complications that could endanger their investments.（）

A. a public company disclose to their

B. a public company discloses to its

C. a public company disclose to its

D. public companies disclose to its

E. public companies have disclosed to their

“民之饥，以其上食税之多，是以饥；民之难治，以其上之有为；民之轻死，以其上求生之厚，是以轻死。”材料表明老子(    )

A．指出任何事物都有矛盾对立的两个方面

B．认为矛盾双方不能互相转化

C．政治上倡导“无为而治”

D．是第一个探讨宇宙本原的哲学家

烧伤创面脓性分泌物较多时，紫外线照射的剂量应选择（）

A.最小红斑量

B.亚红斑量

C.阈红斑量

D.中红斑量

E.强红斑量

在寒冷地区生活的人群，应注意的问题是（）。

A.增加脂肪的摄入量

B.减少维生素A的摄入量

C.减少维生素D的摄入量

D.减少食盐的摄入量

E.减少能量的摄入量