皮皮学，免费搜题
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搜题
【判断题】
平面力系向任一点简化得到的主矢和主矩与任选的简化中心无关。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【简答题】听下面一段材料, 回答第1-3题。 1. How does the new gym affect the student's attitudes towards the increased fees? A. It makes them feel the money was wasted. B. It makes them feel that they should be angry. C. It ...
【单选题】You have a table that contains information about all students in your school. Which SQL keyword should you use to change a student's first name in the table?
A.
UPDATE；
B.
CHANGE；
C.
SELECT；
D.
INSERT
【单选题】护士小王是急诊科的护士,抢救病人中护士工作不正确的是
A.
口头医嘱复诵后再执行
B.
用完的空安瓿及时处理
C.
抢救后及时请医生补写医嘱
D.
抢救记录及时准确，字迹清晰
E.
医生未到时可先建立静脉通道
【简答题】C. Listen once more and complete the following summary. A yearbook is a (1) record of the school year. You will find each student's (2) in a yearbook. Photos of the(3) come first. The yearbook feature...
【单选题】不戴绝缘帽会造成的危害是
A.
操作时会毛发掉落在电源上,造成电源短路
B.
车底操作时,碰伤头部,严重会造成头部接触带电体造成触电
C.
周围无关人员不知道你在进行高压作业
D.
无法发力拆卸螺栓
【单选题】It's the first time that Lurch has taken the research of student's examination, _______?
A.
isn’t it
B.
isn’t he
C.
hasn’t he
D.
doesn’t he
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