抽采邻近层瓦斯时，邻近层的卸压瓦斯不仅沿着煤层的裂隙，而且还通过围岩裂隙（）。A.流

我市某公司为激励工人进行技术革新，既保质量又提高产值，对小组生产产值超产部分进行奖励．设年底时超产产值为x（x＞0）万元，当x不超过35万元时，奖金为log₆（x+1）万元；当x超过35万元时，奖金为5%•（x+5）万元．

（1）若某小组年底超产产值为95万元，则其超产奖金为多少？

（2）写出奖金y（单位：万元）关于超产产值x的函数关系式；

（3）某小组想争取年超产奖金y∈[1，8]（单位：万元），则超产产值x应在什么范围？

说明如何使用Dreamweaver更新网站。

B

It is surprising that eating three meals a day ─ breakfast, lunch, and dinner ─ has been a custom only since 1890. Before this time, they only had two meals a day ─ breakfast and dinner.

In the 16th century, breakfast was only to break one's fast (随便吃一点). But 200 years later it had become a large meal , not just for family, but for numbers of guests as well. It was a social event, It began at 10 a.m. and lasted until l p.m.. Then breakfast began to be less popular. It became , instead, a lighter meal and was taken at a much earlier hour. By 1850 it had been pushed hack to 8 a.m.. and became a family meal.

Dinner, however, went the other way. In the 16th century it was eaten at 11 a.m.. Years later, it had moved to the early afternoon, then to 5 p. m.. By 1850 dinner time had reached 7 p.m. Lunch is a recent idea. It first appeared as a snack to fill the gap between breakfast and dinner.

59. English people did not have lunch _________.

A. before 1890    B. after 1890        C. after 16th century   D. by 1850

60. "Dinner, however, went the other way" means _________.

A. Dinner didn't go there with breakfast    B. Dinner took the same way with breakfast

C. Dinner is different from breakfast        D. Dinner is the same with breakfast

61. Lunch has been served since the end of the ________ century.

A. seventeenth    B. eighteenth        C. sixteenth           D. nineteenth

62. The selection is mostly concerned with _________.

A. what people eat for breakfast         B. what people eat for dinner

C. the history of supper                D. the history of breakfast

63. The selection leads the reader to believe that __________.

A. our custom of meals is based on English custom

B. before 1890 people also ate three meals a day

C. breakfast is the most important meal for us

D. the body can adjust to two or three meals a day      

处方药转换为非处方药时安全性和有效性评价（）

A.作为处方药时的安全性

B.当药品成为非处方药后广泛使用时出现滥用、误用情况下的安全性

C.当处于消费者进行自我诊断、自我药疗的情况下的药品安全性

D.作为非处方药时的适用范围变化

行李保价费如何计算？