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【单选题】
化学与科学、技术、社会、环境密切相关。下列有关说法中错误的是 [     ]
A.
十一国庆燃放的焰火是某些金属元素焰色反应所呈现出来的色彩
B.
加热能杀死甲型H1N1流感病毒是因为病毒的蛋白质受热变性
C.
太阳能电池板中的硅在元素周期表中处于金属与非金属的交界位置
D.
废旧电池应集中回收,并填埋处理
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参考答案:
举一反三
【判断题】定义视图时,不仅是把其定义存放在系统数据中,而且直接存储视图对应的数据。( )
A.
正确
B.
错误
【简答题】Convert the following binary number to hexadecimal, without spaces(e.g. FF01, using uppercase, and don't input any other characters, otherwise the system will judge your answer uncorrectly) 1101 1001 ...
【单选题】工质经过一个不可逆循环,又回到初态,其熵( )
A.
增加
B.
减少
C.
不变
D.
变化不定
【单选题】1分子葡萄糖经有氧氧化彻底分解为CO 2 和H 2 O时净生成( )分子ATP。
A.
2或3
B.
6或8
C.
12或15
D.
30或32
E.
36或38
【单选题】有防水、防潮要求时应在墙脚处先砌3~5皮吸水率小的砖,若砌块不够整块时该如何处理?()
A.
宜用细石混凝土填补
B.
宜用水泥砂浆填补
C.
宜用普通粘土砖填补
D.
宜用木块填补
【单选题】(单选)有防水、防潮要求时应在墙脚处先砌3~5皮吸水率小的砖,若砌块不够整块时该如何处理?( )
A.
宜用细石混凝土填补
B.
宜用水泥砂浆填补
C.
宜用普通粘土砖填补
D.
宜用木块填补
【简答题】模拟信号数字化的主要步骤包括抽样、( )和编码
【单选题】进口货物的收货人或其代理人在货物抵达卸货费后,即向海关申报。法定申报时限为自运输工具申报进境之日起( )内。
A.
3 天
B.
7 天
C.
14 天
D.
15 天
【单选题】?Look at the sentences below and the five paragraphs. ?Which paragraph (A,B,C,D or E) does each sentence 1-8 refer to? ?For each sentence 1-8, mark one letter (A, B, C, D or E)on your Answer Sheet. ?Y...
A.
Workshop Workshop originally meals a room or building which contains tools or machinery for making or repairing things, especially by using wood or metal. Regarding meeting, it refers to a period of discussion or practical work or a particular subject in which a group of people learn about the abject by sharing their knowledge or experience. The distinctive feature of workshop lies in its emphasis on practical performance, he- sides the professional and academic discussions. Therefore arranged in a workshop may be many relevant activities—demonstrations, displays and operations during the course of presentation. For example, we can say: 'Dr. Linda chaired a workshop on artificial intelligence and software development. I saw there were lots of computers and software developers gathered in that lecture hall this morning.'
B.
Symposium Symposium (pl, symposia/symposiums) is also a kind of meeting, but it refers exclusively to the meeting for specialized academic discussion. At a symposium, experts, scholars, and other participants of a particular field discuss a particular subject. For instance, we may say 'They are going to participate in file Second International Symposium on Teaching English at Tertiary Level in Hong Kong next May. The teaching of language skills, language learners' styles and strategies, new technology and methodology as well as otter relevant issues will be discussed there.' In terms of scale, a symposium may be smaller than a conference, because sometimes a conference may include several symposiums held simultaneously (as satellite symposiums). Furthermore, some meetings held by the government for political consultation can be called 'political conference' but not symposium.
C.
Seminar Seminar is usually a class-like meeting, where participants discuss a particular topic or subject that is presented by several major speakers. Different from the general situation of a meeting, the presentations are mainly given by speakers, while other people first listen and then join them. For example, we can say 'This afternoon we'll have a seminar on the topics presented this morning.'
D.
Colloquium is sometimes a formal word for seminar. It is usually a large academic seminar like panel discussion. Colloquium is usually attended by certain invited experts or professionals in a particular field. Participants of the meeting will express their ideas and opinions around a specific topic.
E.
Meeting Meeting is a general and summary term of various kinds of assembly of people for a particular purpose. If there are more than two persons coming together, talking and discussing, the event can be called a meeting. So we often say or hear 'Let's have a meeting.' Since the definition of meeting is rather extended and not clearly demarcated, it can mean any kind of gathering, pre-arranged or non arranged, formal or informal; the time can be tong or short; the scale, large or small; the participants, many or a few, and so on. To specifically clarify a meeting, therefore, the names of meeting should be further demarcated. ' It's original meaning is to 'meet with each other', or to 'put heads together.'
【多选题】Complete the following phrases using the words in the box.
A.
calling
B.
catch
C.
engaged
D.
on
E.
afraid 1 . Hold __________, please.I’ll connect you. 2. Sorry, I didn’t __________ your first name. 3. I’m__________ there’s no answer. 4. I’m__________ about the meeting tomorrow. 5. I can’t get through. Their phone’s always __________ .
相关题目:
【单选题】?Look at the sentences below and the five paragraphs. ?Which paragraph (A,B,C,D or E) does each sentence 1-8 refer to? ?For each sentence 1-8, mark one letter (A, B, C, D or E)on your Answer Sheet. ?Y...
A.
Workshop Workshop originally meals a room or building which contains tools or machinery for making or repairing things, especially by using wood or metal. Regarding meeting, it refers to a period of discussion or practical work or a particular subject in which a group of people learn about the abject by sharing their knowledge or experience. The distinctive feature of workshop lies in its emphasis on practical performance, he- sides the professional and academic discussions. Therefore arranged in a workshop may be many relevant activities—demonstrations, displays and operations during the course of presentation. For example, we can say: 'Dr. Linda chaired a workshop on artificial intelligence and software development. I saw there were lots of computers and software developers gathered in that lecture hall this morning.'
B.
Symposium Symposium (pl, symposia/symposiums) is also a kind of meeting, but it refers exclusively to the meeting for specialized academic discussion. At a symposium, experts, scholars, and other participants of a particular field discuss a particular subject. For instance, we may say 'They are going to participate in file Second International Symposium on Teaching English at Tertiary Level in Hong Kong next May. The teaching of language skills, language learners' styles and strategies, new technology and methodology as well as otter relevant issues will be discussed there.' In terms of scale, a symposium may be smaller than a conference, because sometimes a conference may include several symposiums held simultaneously (as satellite symposiums). Furthermore, some meetings held by the government for political consultation can be called 'political conference' but not symposium.
C.
Seminar Seminar is usually a class-like meeting, where participants discuss a particular topic or subject that is presented by several major speakers. Different from the general situation of a meeting, the presentations are mainly given by speakers, while other people first listen and then join them. For example, we can say 'This afternoon we'll have a seminar on the topics presented this morning.'
D.
Colloquium is sometimes a formal word for seminar. It is usually a large academic seminar like panel discussion. Colloquium is usually attended by certain invited experts or professionals in a particular field. Participants of the meeting will express their ideas and opinions around a specific topic.
E.
Meeting Meeting is a general and summary term of various kinds of assembly of people for a particular purpose. If there are more than two persons coming together, talking and discussing, the event can be called a meeting. So we often say or hear 'Let's have a meeting.' Since the definition of meeting is rather extended and not clearly demarcated, it can mean any kind of gathering, pre-arranged or non arranged, formal or informal; the time can be tong or short; the scale, large or small; the participants, many or a few, and so on. To specifically clarify a meeting, therefore, the names of meeting should be further demarcated. ' It's original meaning is to 'meet with each other', or to 'put heads together.'
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