2016年上半年重庆省材料员专业知识与专业技能考试题.docx

2016年上半年重庆省材料员专业知识与专业技能考试题 本卷共分为1大题50小题，作答时间为180分钟，总分100分，60分及格。 一、单项选择题（共 25 题，每题 2 分，每题的备选项中，只有 1 个事最符合题意） 1、The cellphone, a device we have lived with for more than a decade, offers a good example of a popular technologyrsquo;s unforeseen side effects. More than one billion are (1) around the world, and when asked, their (2) say they love their phones for the safety and convenience (3) provide. People also report that they are (4) in their use of their phones. One opinion survey (5) that quot;98 percent of Americans say they move away from (6) when talking on a wireless phone in publicquot; (7) quot;86 percent say they rsquo;neverrsquo; or rsquo;rarelyrsquo; speak (8) wireless phonesquot; when conducting (9) with clerks or bank tellers. Clearly, there exists a (10) between our reported cell phone behavior and our actual behavior.Cellphone users--that is to say, most of us--are (11) instigators and victims of this form of conversational panhandling, and it (12) a cumulatively negative effect on social space. As the sociologist Erving Gotfman observed in another (13) , there is something deeply disturbing about people who arequot; (14) contactquot; in social situations because they are blatantly refusing to (15) to the norms of their immediate environment. Placing a cellphone call in public instantly transforms the strangers around you (16) unwilling listeners who must cede to your use of the public (17) , a decidedly undemocratic effect for so democratic a technology. Listeners donrsquo;t always passively (18) this situation: in recent years, people have been pepper-sprayed in movie theaters, (19) from concert hails and deliberately rammed with cars as a result of (20) behavior on their cellphones. 13（） A．and that B．as for C．whereas D．on the contrary 2、建筑石膏凝结硬化时，最主要的特点是__。 A．体积膨胀大 B．体积收缩大 C．放出大量的热 D．凝结硬化快 3、氯盐类早强剂中，应用最广的是__。 A．氯化钙 B．氯化钠 C．氯化钾 D．氯化铝 4、__可作硝基磁漆罩光用，也可涂饰于木质零件、木器及金属表面，是高级家具用涂料的清漆。 A．虫胶清漆 B．酚醛清漆 C．醇酸清漆 D．硝基清漆 5、材料采购批量与保管费用和采购费用的关系为__。