下列名言警句体现环保思想的有 [ ] ①但留方寸土，留于子孙耕 ②拯救地球，就是

口腔扁平苔藓的临床表现下列哪项是错误的（）

A.中年女性患者较多

B.磨牙区、颊区、颊黏膜多见白色网状条纹

C.白色网状条纹稠密区域较多发生糜烂

D.损害多为单侧性

E.皮肤、指甲、生殖器黏膜均可发生

注册会计师审计导致特别风险的会计估计时，拟实施的进一步审计程序中需要重点评价的事项有（）。

A.管理层如何使用假设

B.管理层如何评估会计估计不确定性对财务报表中会计估计的确认的恰当性可能产生的影响

C.管理层如何评估估计不确定性对会计估计的影响

D.管理层对会计估计的相关披露的充分性

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.

Noted for its tenacity and courage, the English bulldog, having originally been bred for the brutal sport of bull-baiting, but now is cherished as a loyal animal companion.（）

A. the English bulldog, having originally been bred for the brutal sport of bull-baiting, but now is cherished

B. English bulldogs were originally bred for the brutal sport of bull-baiting, but they are now cherished

C. English bulldogs were originally bred to bait bulls in a brutal sport, but it is now cherished

D. the English bulldog was originally bred for the brutal sport of bull-baiting, but it is now cherished

E. the English bulldog, originally bred to bait bulls for a brutal sport, is now being cherished

什么是养老保险实际缴费年限？

数字视频的数据量非常大，VCD使用的运动视频图像压缩算法MPEG-1对视频信息进行压缩编码后，每秒钟的数码率大约是 【2】 Mbps。