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{{B}}One Good Reason to Let Smallpox
Live{{/B}} It’s now a fair bet that we will never see the total extinction of the smallpox virus. The idea was to cap the glorious achievement of 1980, when smallpox was eradicated in the wild, by destroying the killer virus in the last two labs that are supposed to have it -- one in the US and one in Russia. If smallpox had truly gone from the planet, what point was there in keeping these reserves {{U}} (51) {{/U}}reality, of course, it was naive to{{U}} (52) {{/U}}that everyone would let{{U}} (53) {{/U}}of such a potent potential weapon. Undoubtedly several nations still have{{U}} (54) {{/U}}vials.{{U}} (55) {{/U}}the last "official" stocks of live virus bred mistrust of the US and Russia,{{U}} (56) {{/U A. much B. more C. most D. a few [单选题][单选题]肾小球毛细血管的滤过平衡现象发生在
A.肾小球滤过率不变时 B.滤过系数不变时 C.滤过系数等于零时 D.有效滤过压等于零时 E.有效滤过压大于零时 [多项选择]三相全控桥整流电路中，晶闸管的触发方式可以是（）。
A. 窄触发脉冲 B. 方波脉冲 C. 双窄触发脉冲 D. 宽脉冲触发 [多选题]调整杆塔倾斜、弯曲、拉线受力不均时，应根据需要设置(____)，并应有专人统一指挥。
A.专责监护人 B.警示标志 C.临时拉线 D.临时拉线的调节范围 [单选题]依据现行增值税政策,下列货物中适用9%增值税税率的是（ ）。
A.水果罐头 B.食用盐 C.农机零部件 D.方便面 [单项选择]下列不属于城市消防远程监控系统中信息查询系统调试的内容的是（）。
A. 选择联网用户，查询该用户的火灾报警信息 B. 选择联网用户，查询该用户的建筑消防设施运行状态信息 C. 选择联网用户，查询该用户的消防安全管理信息 D. 选择联网用户，检查该用户登录系统使用权限的正确性 [判断题]辐板式轮心，具有重量轻强度好等优点。( )
A.正确 B.错误 [多选题] 公安机关在刑事诉讼中有下列哪些职责?()
A. 案件侦查 B. 移送起诉 C. 执行部分刑罚 D. 审判 [判断题]81、中国人民银行征信中心是应收账款质押的登记机构。
A.正确 B.错误 [填空题]A Leap（跳跃）to Honor
Leaping on a narrow balance beam（平衡木） is not easy. But Lola Walter, a 13-year-old gymnast, is an expert at it.
To perfect her skills, Lola ____36____ for four hours a day, five days a week. At the state championships in March, she finished seventh out of 16 girls.
That’s especially impressive. ____37____she is legally blind, born with a rare condition that causes her eyes to shift constantly. She often sees double and can’t ____38____ how far away things are.
When she was little, her mom ____ 39____ that even though she couldn’t see ____40____, she was fearless. So her mom signed her up for gymnastics when she was three. She loved the ____41____right away and gymnastics became her favorite.
Though learning gymnastics has been more ____42____ for her than for some of her tournaments, she has never quit. She doesn’t let her ____43____ stop her from doing anything that she wants to.
She likes the determination it takes to do the
A. A．standard B．range C．view D．goal [多选题]以下有关日常急救的做法，错误的是()。
A.鼻孔出血时仰起头，以起到止血效果 B.异物人眼时，用干的纸巾或毛巾擦拭眼睛 C.发现有人触电，尽快找到电闸，并切断电源 D.飞虫钻进耳道后，用手电光照耳道，以引出飞虫 [单项选择]BSO系统，网点受理组用户处理汇入汇款业务时，不可选择的操作是（）。
A. 入应解专户 B. 入客户帐 C. 退汇 D. 退回 [单项选择]《制定地方大气污染物排放标准的技术方法》(GB/T 3840)推荐的修订帕斯奎尔法将距地面多高处的风速和辐射状况作为划分大气稳定度等级的指标？
A. 10m B. 20m C. 30m D. 40m [单项选择]糖酵解的关键酶是
A. 磷酸甘油酸激酶 B. 丙酮酸脱氢酶 C. 3-磷酸甘油醛脱氢酶 D. 磷酸果糖激酶-1 E. 乳酸脱氢酶 [填空题]1938年（）与何其芳等一起去延安，之后去太行山区抗日民主根据地访问，创作了诗集《慰劳信集》与报告文学集《第七七二团在太行山一带》。
[多项选择]下面属于紧缩性财政政策的是( )。
A. 减少政府开支 B. 增加税收 C. 提高存款准备金率 D. 减少税收 E. 提高贴现率 [单项选择]下列各项中，应当征收房产税的是（ ）。
A. 行政机关所属的招待所使用的房产 B. 自收自支事业单位向职工出租的单位自有房屋 C. 施工期间施工企业在基建工地搭建的临时办公用房 D. 邮政部门坐落在城市、县城、建制镇、工矿区以外的房产 [单选题]革兰染色法的临床意义不包括:( )
A.鉴别细菌 B.确定毒素 C.选择药物 D.分析致病性 [单项选择]Do you wake up every day feeling too tired, or even upset If so, then a new alarm clock could bejust for you.
The clock, called Sleep Smart, measures your sleep cycle, and waits for you to be in your lightest phase of sleep (51) rousing you. Its makers say that should (52) you wake up feeling refreshed every morning. As you sleep you pass (53) a sequence of sleep states - light sleep, deep sleep and REM (rapid eye movement)sleep - that (54) approximately every 90 minutes. The point in that cycle at which you wake can (55) how you feel later, and may even have a greater impact than how much or little you have slept. Being roused during a light phase means you are more likely to wake up energetic. Sleep Smart (56) the distinct pattern of brain waves (57) during each phase of sleep, via a headband equipped (58) electrodes (电极) and a microprocessor. This measures the electrical activity of the wearer’ s A. what B. how C. whether D. when [判断题]低压线路和设备停电后，检修或装表接电等工作前，应在与停电检修部位或表计电气上间接相连的可验电部位验电。
A.正确 B.错误 [单项选择]具有"砂眼"和"珍珠盘"的中药材是（）
A. 白蔹 B. 射干 C. 藁本 D. 三棱 E. 银柴胡 [判断题]车站值班员（列车调度员）接到影响邻线的报告后，立即通知邻线有关列车停车，在原因消除前，不得向邻线放行列车。车站值班员报告车站干部。
A.正确 B.错误 我来回答: 提交
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