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【简答题】
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 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. litter 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 US. 9) side of a person infected with flu, as well as those sitting one roe in font of or behind this individual, had about an 80 person 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 B) conclusion C) directly D) either E) evaluate F) explorations G) flights H) largely I) nearby J) respond K) slim L) spread M) summit N) vividly O) vulnerable
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【单选题】--Hi, Judy. --Hi, Jason. Come in. Make ___ at home.
A.
yourself
B.
us
C.
yourselves
D.
you
【单选题】_____是欧洲早期哥特式建筑和雕刻的代表,_______意大利文艺复兴式和法国传统风格交融的宫廷建筑。
A.
枫丹白露宫,巴黎圣母院
B.
西敏寺,凡尔赛宫
C.
科隆大教堂,凡尔赛宫
D.
巴黎圣母院,枫丹白露宫
【单选题】通常情况下,热轧带钢表面的氧化铁皮结构组成从里到外分别是:( )。
A.
FeO、Fe3O4、Fe2O3
B.
Fe3O4、Fe2O3、FeO
C.
Fe3O4、FeO、Fe2O3
D.
Fe2O3、Fe3O4、FeO
【单选题】在M+H 2 SO 4 (稀)→Fe 2 (SO 4 ) 3 +N(M、N分别代表一种物质,化学方程式未配平)反应中,M可能是下列物质中的1Fe、2Fe 2 O 3 、3Fe(OH) 3 、4FeCl 3 ( )
A.
①②
B.
①②③
C.
②③
D.
②③④
【判断题】如果没有发生销售交易但在销售日记账中记录了一笔销售则违反了交易 和事项的存在目标。 ( )
A.
正确
B.
错误
【单选题】关于小儿急性阑尾炎,错误的是
A.
病情发展快且重
B.
右下腹体征明显
C.
穿孔率较高
D.
死亡率较高
E.
宜早期手术
【多选题】一般将公司战略分为三个层次,它们是( )。
A.
总体战略
B.
业务单位战略
C.
职能战略
D.
环境战略
E.
价值链分析
【单选题】— Hi! Judy. You are 18! That's really _____ to be proud of. — Thanks a lot. Glad to be an adult. [     ]
A.
everything
B.
something
C.
anything
D.
nothing
【单选题】--- Hi, Judy. _______________. --- Congratulations! You deserve it.
A.
They’ve just elected me monitor
B.
They’ve invited you to the party
C.
They’ve won the basketball match
D.
They’ve made great progress
【单选题】下表是 Fe 2 + 、 Fe 3 + 、 Zn 2 + 被 OH - 完全沉淀时溶液的 pH 。某硫酸锌酸性溶液中含有少量 Fe 2 + 、 Fe 3 + 杂质,为制得纯净的 ZnSO 4 ,应加入的试剂是 ( ) 金属离子 Fe 2 + Fe 3 + Zn 2 + 完全沉淀时的 pH 7.7 4.5 6.5
A.
H 2 O 2 、 ZnO
B.
氨水
C.
KMnO 4 、 ZnCO 3
D.
NaOH 溶液
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