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Finally, some good news about airplane travel. If you are on a plane with a sick passenger, you are unlikely to get sick. That is the 1 of a new study that looked at how respiratory ( 呼吸道 ) viruses 2 on airplanes. Researchers found that only people who were seated in the same row as a passenger with the flu, for example—or one row in front of or behind that individual—had a high risk of catching the illness. All other passengers had only a very 3 chance of getting sick, according to the findings. Media reports have not necessarily presented 4 information about the risk of getting infected on an airplane in the past. Therefore, these new findings should help airplane passengers to feel less 5 to catching respiratory infections while traveling by air. Prior to the new study, little was known about the risks of getting 6 infected by common respiratory viruses, such as the flu or common cold, on an airplane, the researchers said. So, to 7 the risks of infection, the study team flew on 10 different 8 in the U.S. during the flu season. The researchers found that passengers sitting within two seats on 9 side of a person infected with the flu, as well as those sitting one row in front of or behind this individual, had about an 80 percent chance of getting sick. But other passengers were 10 safe from infection. They had a less than 3 percent chance of catching the flu. A) accurate I) nearby B) conclusion J) respond C) directly K) slim D) either L) spread E) evaluate M) summit F) explorations N) vividly G) flights O) vulnerable H) largel
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【单选题】对于近似正态分布的资料,描述其变异程度常选用的指标是
A.
变异系数
B.
极差
C.
标准差
D.
四分位数间距
【单选题】取消或建立图层剪贴蒙版的方法是:
A.
鼠标移至两个图层之间的接缝,按住 Alt键 并单击
B.
鼠标移至要被剪切的图层,按住 Alt键 并单击
C.
鼠标移至两个图层之间的接缝,按住 Ctrl键 并单击
D.
鼠标移至要被剪切的图层,按住 Ctrl键 并单击
【单选题】关于黄韧带的叙述,下列哪项是错误的( )
A.
又称弓间韧带
B.
连于相邻两椎弓根之间的弹性结缔组织膜
C.
呈节段性
D.
厚0.2~0.3cm
E.
参与围成椎管的后壁
【单选题】资本有机构成的提高是指随着资本总量的增加( )
A.
不变资本和可变资本按同比例上升
B.
不变资本和可变资本按同比例下降
C.
不变资本比例上升,可变资本比例下降
D.
不变资本比例下降,可变资本比例上升
【单选题】对黄韧带的描述,错误的是
A.
又称弓间韧带,连于相邻两椎弓板之间的弹性结缔组织膜
B.
参与围成椎管的后外侧壁
C.
腰段黄韧带常增厚压迫马尾引起腰腿痛
D.
硬膜外麻醉不需穿经此韧带
【单选题】禅智内供の鼻といえば、( )で知らない者はない。長さは五六寸あって( )の上から顎の下まで下がっている。( )は元も先も同じように太い。
A.
京都
B.
奈良
C.
池の尾
D.
金閣寺
【单选题】对于近似正态分布的资料,描述其变异程度应选用的指标是
A.
变异系数
B.
极 差
C.
四分位数间距
D.
标准差
【单选题】对于近似正态分布的资料,描述其变异程度应选用的指标是
A.
变异系数
B.
离均差平方和
C.
极差
D.
四分位数间距
E.
标准差
【单选题】禅智内供の鼻といえば、( )で知らない者はない。長さは五六寸あって( )の上から顎の下まで下がっている。( )は元も先も同じように太い。
A.
上目
B.
目の上
C.
D.
上唇
【单选题】对于近似正态分布的资料,描述其变异程度应选用的指标是
A.
标准差
B.
极差
C.
四分位数间距
D.
变异系数
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