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【单选题】
代表心肌梗死波形:
A.
P波
B.
T波
C.
U波
D.
qRs波
E.
Q波
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参考答案:
举一反三
【单选题】全文的说明顺序是:( )
A.
总分总的逻辑顺序。
B.
从特殊到普遍的逻辑顺序。
C.
总分的逻辑顺序。
D.
从现象到本质的逻辑顺序。
【单选题】以下哪项容量瓶的使用操作是错误的 ?
A.
容量瓶干燥时不能用火直接加热或烘烤,也不能放于烘箱中烘,一般倒置自然晾干,或用少量挥发性有机溶剂(如无水乙醇)荡涤,通风橱内挥干
B.
溶液转移至试剂瓶中的方法:先用少量溶液润洗试剂瓶 2-3 次,再转移溶液,最后应在试剂瓶上贴好标签,标签上至少需注明溶液名称、浓度、配制人、配制日期等
C.
容量瓶洗涤时,先用毛刷刷洗容量瓶内壁,至倒出水后内壁不挂水珠,即可用蒸馏水荡洗 3 次后备用
D.
溶液转移至容量瓶后,用少量蒸馏水洗涤烧杯及玻棒 3-4 次,洗涤液转入容量瓶
【单选题】在叠加发码方式的基础上进行改进,采用[ ],才能保证列车接收地面信息在时间和空间上的连续。
A.
叠加方式
B.
预叠加发码方式
C.
脉动切换方式
D.
固定切换方式
【简答题】How to ask for directions Do you have the experience of asking for directions? Most people do. Even men, who are said to have a good sense of direction, often have to ask for help. Here are some steps...
【单选题】听力原文:Ladies and Gentlemen, we are sorry to announce that tonight's baseball game will be delayed due to rain. We hope to begin at 6 p.m. In the meantime, please visit the food stands which are now ope...
A.
To explain a change in schedule.
B.
To advertise items at the food stands.
C.
To announce a winner.
D.
To inform. listeners of a change of location.
【简答题】Ladies and Gentlemen, What values should we pursue for the prosperity of Asia in the new century? I believe that the three values of , diversity and openness are the driving forces behind peace...
【简答题】How to Ask for Directions Do you have the experience of asking for directions? Most people do. Even men, who are said to have a good sense of direction, often have to ask for help. Here are some ste...
【判断题】The motto of the Ritz-Carlton is we are Ladies and Gentlemen serving Ladies and Gentlemen.
A.
正确
B.
错误
【单选题】听力原文:Good afternoon, ladies and gentlemen and welcome to Kahupata park. Before we begin today's tour, I'd like to make a few announcements. The South American exhibit is closed for cleaning and mainte...
A.
To explain the history of the place
B.
To inform. people about the crocodile
C.
To let people know about the schedule
D.
To describe the park tour
【简答题】找出每一自然段的关键句,并概括本段内容 如何认识文章的关键句 1.要明白关键句能突出体现文章主旨。 2.从内容看,中心句是关键句,它是集中揭示说明对象特征或点明主要事理的语句。 3.从结构看,总提句、总结句和重要的过渡句是关键句。总提句、过渡句能显示文章内容的推进,总结句能概括文章基本内容。 4.从出现频率看,反复出现的句子是关键句,它能表示需要强调的内容。
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