41. The earliest form of artificial lighting was fire, which also provided warm and protection.
A. hot B. sunshine
C. warmth D. safe
42. All mammals have hair, but not always evident.
A. but it is not B. but it is考试用书
C. but they are not D. but they are
43. A professor of economic and history at Atlanta University, W.E.B. Du Bois, promoted full racial equality.
A. economy B. economics
C. economical D. economic
44. Machines that use hydraulic pressure including elevators, dentist chairs, and automobile brakes.
A. exclude B. excluding
C. include D. are included
45. The first recorded use of natural gas to light street lamps it was in the town of Frederick, New York, in 1825.
A. was B. is
C. it is D. were
一级建造师二级建造师二级建造师造价工程师土建职称公路检测工程师建筑八大员注册建筑师二级造价师监理工程师咨询工程师房地产估价师 城乡规划师结构工程师岩土工程师安全工程师设备监理师环境影响评价土地登记代理公路造价师公路监理师化工工程师暖通工程师给排水工程师计量工程师
执业药师执业医师卫生资格考试卫生高级职称执业护士初级护师主管护师住院医师临床执业医师临床助理医师中医执业医师中医助理医师中西医医师中西医助理口腔执业医师口腔助理医师公共卫生医师公卫助理医师实践技能内科主治医师外科主治医师中医内科主治儿科主治医师妇产科医师西药士/师中药士/师临床检验技师临床医学理论中医理论
