[判断题]开关箱与用电设备之间,在保证安全的情况下可实行“一闸多机”和一台漏电保护器同时保护几台设备的做法。
A.正确
B.错误

[单选题]配位滴定法是以( )反应为基础的一种滴定分析法。
A.质子传递
B.沉淀
C.配位
D.氧化还原

[单选题]要改变分析天平的灵敏度可调节（）。
A.吊耳
B.平衡螺丝
C.拔杆
D.感量螺丝

[单项选择]下列关于住房公积金的表述中，不正确的有( )。
A. 单位和职工缴存比例不应低于5%，不高于12%
B. 职工死亡或者被宣告死亡的，职工的继承人、受遗赠人可以提取职工住房公积金账户内的存储余额
C. 住房公积金管理中心不能向单位或个人提供担保
D. 马某2月份购房时申请了住房公积金贷款，7月份遇法定贷款利率调整，应自当年的8月份按新调整的贷款利率支付利息

[多项选择]下列关于甲型肝炎的叙述，正确的是（）
A. 急性甲型肝炎的患者是传染源
B. 血液中HAV主要出现于黄疸发生之前
C. 慢性甲型肝炎的患者是传染源
D. 无黄疸型甲型肝炎可以是传染源
E. 黄疸出现之后患者血液通常无传染性

[填空题]My topic for today’s lecture is communication, culture and work. When most people use the word culture, they think of people from different (1) . National cultures certainly do exist and they play an important role in shaping the way (2) . But there are other dimensions of culture too. Within a nation, (3) can exert a powerful influence on communication. New Yorkers and Alaskans may find one another’s styles of behaving (4) that they might as well be from different countries. Race and ethnicity can also (5) . So can age, the customs, values and attitudes of a twenty-year-old girl may (6) from those of her parents who were raised in the (7) or her grandparents who lived through (8) and World War Ⅱ. Still, other differences can create distinctive cultures. Gender, sexual orientation, (9) religion and socio-economic background are just a few.
All of these factors lead to a (10)