[判断题]闸阀的优点是流体流经闸阀时阻力小,流动方向不受限制,开关较省力。
A.正确
B.错误

[单项选择]20世纪末，发达国家人口再生产的类型属于（）
A. 高出生率，低死亡率，高增长率
B. 高出生率，高死亡率，低增长率
C. 高出生率，高死亡率，高增长率
D. 低出生率，低死亡率，低增长率

[简答题] 请回答K₂Cr₂O₇标定Na₂S₂O₃时实验中的有关问题。 Cr₂O₇^2-氧化I^－反应为何要加酸，并加盖在暗处放置5min，而用Na₂S₂O₃滴定前又要加蒸馏水稀释？若到达终点后蓝色又很快出现说明什么？应如何处理？

[不定项选择题]A.瑞士型SCID
A.伴腺苷脱氨酶缺陷的SCID
B.Wiskott-Aldrich综合征
C.网状组织发育不良症
D.X-伴性隐性遗传SCID
E.淋巴细胞和粒细胞都缺如

[多选题]可使用支付密码的支付凭证种类包括（ ）？
A.支票
B.结算业务凭证
C.重要空白凭证领用单
D.银行汇票申请书
E.银行本票申请书

[单选题]采用盘形齿轮铣刀铣削的锥齿轮,一般是用( )在锥齿轮背锥上测量大端齿形的厚度,即大端分度圆弦齿厚和弦齿高。
A.一般游标卡尺
B.齿厚游标卡尺
C.深度游标卡尺
D.千分表

[单项选择]支票限于见票即付，不得另行记载付款日期。另行记载付款日期的法律后果是（）。
A. 收款人认可的，该记载有效
B. 记载无效，票据依然有效
C. 因该记载支票归于无效
D. 该记载处应加盖财务章

[单项选择]按演练方式不同，应急演练可分为( )三种类型。
A. 桌面演练、功能演练和全面演练
B. 专业演练、战术演练和基础演练
C. 桌面演练、功能演练和战术演练
D. 功能演练、实战演练和全面演练

[单选题] 全国突发公共卫生事件应急预案应由哪个部门制订?( )
A.卫生部制定,国务院批准
B.卫生部制定发布
C.国务院 制定
D.国务院有关部门制定
E.省、自治区、直辖市人民政府

[多选题] 有关消防救援消防机构送达法律文书的方式错误的是( )。
A.送达法律文书应当首先采取直接送达方式
B.无法直接送达的,可以邮寄送达
C.受送达人本人或代收人拒绝签收的,只能公告送达
D.可以通过电话通知的方式送达
E.以上都不正确

[单选题](467866)原始记录可以( )。(1.0分)
A.划改
B.用涂改液改
C.用铅笔写
D.用钢笔涂改

[单选题]行政合同是现代行政法上较为新型且重要的一种行政管理手段，它引领了公民参与国家行政的新途径，有利于化解矛盾，创建和谐社会。关于行政合同，下列表述不正确的是：( )
A.行政合同的当事人一方必定是行政主体
B.行政合同双方当事人在行政法上法律地位平等
C.行政合同的订立应以双方当事人意思表示一致为前提
D.行政合同纠纷通常通过行政法的救济途径解决

[填空题]疲劳不仅是生理反应，而且也包含大量的（）和环境因素。

[简答题]判断该仓库的耐火等级。

[单选题]在那些场景下要进行PDCCH的监测 ( )
A.只有semi-staticDL/ULassignment时,在“DL”符号上要监听；
B.既有semi-staticDL/ULassignment,又有dynamicSFI时semi-static“flexible”+dynamic“UL”，要监听。
C.既有semi-staticDL/ULassignment,又有dynamicSFI，但是dynamicSFI没收到
D.既有semi-staticDL/ULassignment,又有dynamicSFI时，仅在semi-static“flexible”要监听。

[简答题]引起食物中毒的细菌有哪些？如何对食物中毒进行确诊？

[判断题]夏季、雨汛期施工，应加强夏季防火管理，易燃易爆品可以不单独存放。
A.正确
B.错误

[单项选择]It would be interesting to discover how many young people go to university without any clear idea of what they are going to do afterwards. If one considers the enormous variety of courses (62) , it is not hard to see how difficult it is for a student to select the course most suited to his (63) and abilities. If a student goes to university to acquire a broader (64) of life, to enlarge his ideas and to learn to think for himself, he will (65) benefit. Schools often have too(66)an atmosphere, with its time tables and disciplines, to allow him much time for independent (67) of the work he is asked to do. Most students would, I believe, Profit by a year of such exploration of different academic studies, especially those "all rounders" (68) no particular interest. They should have longer time to decide in what subject they want to take their degrees, so that in later life, they do not look (69) and say, "I should like to have been an
A. Almost
B. Only
C. Just
D. Even

[判断题] 在几个电气连接部分上依次进行不停电的同一类型工作可以使用一张电气二种工作票。()[1.0分]
A.正确
B.错误

[单选题]玛瑙研钵不能受热，不可放在烘箱中烘烤，也不能与（ ）接触。
A.氧气
B.氢氟酸
C.二氧化碳
D.氯化钠

[填空题]

Dear Sirs:
We are in receipt of your letter of May 8th with pleasure, inquiring about the matter of reinspection.
For your information, we wish to put forward the following details: Generally, the buyers have the right to re-inspect the goods when they arrive at the port of destination. But for this i tern, it is international practice that the reinspection should be made within 10 days after its arrival, and if any discrepancy (不符) is found, the claim must be raised within 30 days. However, claims which fall within the responsibility of shipping company and underwriters (签名人) shall not be entertained.
We would make it clear that in order to carry out the contract smoothly and eliminate (消除) unnecessary disputes, it is best for the buyer to name the re-inspection agency that shall be approved by both parties and stipulated (规定) in the contract when reinspection is made.
If the results from the two inspections are not in accordance with each