[多选题] 下列关于对CCTV系统流媒体服务软件的说法中,正确的有( )。
A.具备视频流复制分发、组/单播转换功能
B.支持云台控制和抢占,云台预置位的设置
C.只对数据流做媒体交换,不对数据流本身做处理
D.支持负载均衡
[填空题]
{{B}}Questions 47 to 56 are based on the following passage.{{/B}}
Next Monday is World Health Day,{{U}} (47) {{/U}}by the World
Health organization. The objective chosen for this year is to get people{{U}}
(48) {{/U}}in the campaign to protect against the health{{U}} (49)
{{/U}}of climate change.
The World Health organization is a
United Nations agency. The WHO says there is already evidence of health
problems{{U}} (50) {{/U}}to climate change. It says more people are
dying{{U}} (51) {{/U}}extreme heat, and that diseases spread by insects
are also on the rise. And it says climate change has{{U}} (52) {{/U}}the
risk of disasters, especially severe dry weather, wildfires, major storms and
floods.
Disasters like these can kill directly or indirectly.
People can die or get sick from food{{U}} (53) {{/U}}or conditions like
the spread of disease. Several years ago, the WHO blamed climate change{{U}}
(54) {{/U}} two perce
[单选题]根据我国《民办教育促进法》的规定，民办教育的法律地位是（ ）。
A.与公办教育相比属于从属地位
B.与公办教育具有平等法律地位
C.公办教育属于行政部门，民办教育属于企业单位
D.目前还不能确定
[多选题]会计计量属性包括()。
A.历史成本
B.重置成本
C.现行市价
D.现值
E.公允价值
[填空题]Message
Name of the Customer: John Lee from National (9) ______ Import & Export Corporation.
No. of the Customers: (10) ______
Time for Dinner: around (11) ______ tomorrow evening,
Miscellanea: Like to eat at an (12) ______ room
[单项选择]
{{B}}TEXT E{{/B}}
The Internet began in the
1960s as a small network of academic and government computers primarily in
volved in research for the U.S. military. Originally limited to researchers at a
handful of universities and government facilities, the Internet has quickly
become a worldwide network providing users with information on a range of
subjects and allowing them to purchase goods directly from companies via
computer. By 1999, 84 million U.S. citizens had access to the Internet at home
or work. More and more Americans are paying bills, shopping, ordering airline
tickets, and purchasing stocks via computer over the Internet.
Internet banking is also becoming increasingly popular. With lower
overhead costs in terms of staffing and office space, Internet banks are able to
offer higher interest rates on deposits and charge lower rates on loans than
traditional banks. {{U}}"Brick and mortar" hanks{{/U}} are increasingly
A. Buying airline tickets.
B. Trading stocks.
C. Paying bills.
D. Opening a bank account.
[单项选择]在新产品投放市场初期，把产品价格定得很高，以及早收回投资。这是（）
A. 取脂定价
B. 渗透定价
C. 声望定价
D. 差别定价
[判断题]餐饮服务段要高度重视乘务餐管理工作，树立以“乘务员满意为标准”的意识。
A.正确
B.错误
[判断题] 钻进时禁止无关人员进入高压区。
A.正确
B.错误
[多选题]作业人员应（），经考试合格上岗。
A.接受相应的安全生产知识教育和岗位技能培训
B.掌握配电作业必备的电气知识
C.掌握配电作业必备的业务技能
D.并按工作性质，熟悉本规程的相关部分
[单项选择]一个活动圈在一届发表会得奖的最高金额不能超过（）元
A. 12000
B. 11000
C. 8000
D. 6000
[单项选择]What was the woman doing at 9 o’clock this morning（）
A. She was making a phone call.
B. She was working in the office.
C. She was going to the airport.
D. She was having a meeting.
[单选题]氯丙嗪过量引起血压下降时，应选用
A.肾上腺素
B.异丙肾上腺素
C.去甲肾上腺素
D.阿托品
E.多巴胺
[单选题]1905年10月修建的（ ）是第一条有中国工程技术人员主持、设计、施工的铁路干线。
A.京山铁路
B.京沈铁路
C.京张铁路
D.京汉铁路
[填空题]数据是企业中最 ______ 的因素，它又是企业所有运行活动的数字化特征。
[单选题]充换电站电池发生燃烧等异常情况时， 操作人员应立即佩戴好防护用品， 将（ ）覆盖在着火电池箱上， 防止火势蔓延。
A.灭火毯
B.湿毛巾
C.干毛巾
D.防火布
[填空题]远程供水车组在铺设或收卷供水线路时,应( )引导指挥;在处理水泵故障或清理水管杂物时,应做好安全防护措施。
[单项选择]下列各项，不属慢性肾功能不全主要特征的是（）。
A. 水、电解质紊乱
B. 代谢产物和毒素潴留
C. 酸碱平衡紊乱
D. 脂代谢异常
E. 内分泌功能异常
[判断题] 搬运试验设备时应防止误碰运行设备造成相关运行设备继电保护误动。( )
A.正确
B.错误
[多项选择]下列哪些参与鼻腔顶部的构成
A. 筛骨筛板
B. 蝶骨体下面
C. 额骨鼻部
D. 眶骨
E. 鼻骨
[单选题]正常尿中偶见什么管型：
A.透明管型
B.白细胞管型
C.红细胞管型
D.上皮细胞管型
E.蜡样管型
[单项选择]新生儿人格结构中的唯一成分是（）。
A. 认知感
B. 超我
C. 自我
D. 本我
[多项选择]下列句子中，仅运用一种修辞手法的有（）。
A. 试问闲愁都几许？一川烟草，满城风絮，梅子黄时雨。
B. 灰褐色的鸬鹚站在船舷上，好像一排士兵在等待命令。
C. 眼睛也像他父亲一样，周围都肿得通红。
D. 只有早晨的深谷中，可以和自然对语，岩石点头，草花欢笑。
E. 我是天空里的一片云，偶尔投影在你的波心。
[单选题](单选题,2分)
原来是支持日常交往与企业办公的社交软件,但也可以用于同步直播教学的软件是?
A.zoom
B.钉钉
C.腾讯课堂
D.学习通
[多选题]超声探伤仪和探头的组合性能主要有( )
A.信噪比
B.探头主声束偏离
C.灵敏度余量
D.盲区
[单项选择]流行性出血热的基本病理改变是（）
A. 广泛性小血管内皮细胞变性坏死
B. 肾髓质充血水肿
C. 实质脏器的凝固性坏死
D. 心肌细胞变性坏死
E. DIC
[判断题]公路水运工程安全生产监督管理实行统一监管、分级负责。
