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【单选题】
要反映我国旅游星级酒店行业的整体业绩水平,总体单位是( )。A.
我国每一家旅游星级酒店
B.
我国所有旅游星级酒店
C.
我国旅游星级酒店总数
D.
我国旅游星级酒店的利润总额
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【简答题】FIR滤波器的第一类线性相位条件为______，若在该条件下设计一个FIR高通滤波器，则N的取值应为奇数还是偶数?______。
【单选题】The house felt to me, as if I had been there before.
A.
strange
B.
familiar
C.
attractive
D.
unknown
【单选题】以下情况引起的误差不属于系统误差的是( )
A.
蒸馏水中含有微量被测物质
B.
标定盐酸溶液用的NaOH标准溶液吸收了二氧化碳
C.
标定NaOH用的 部分风化
D.
读取滴定管读数时，最后一位数字几次读数不一致
【简答题】A.Britain B.Italy C.Denmark D.Europe 17. A.how many boys do the housework B.who does the housework at home C.how many women do the housework D.who are more dit, wives or husbands 18. A.there were...
【简答题】A．How many men do the housework. B．Who does the housework at home. C．How many women do the housework. D．Who takes more responsibilities at home, wives or husbands.
【单选题】The house felt ______ to me, as if I had been there before.
A.
familiar
B.
impressed
C.
interested
D.
strange
【单选题】The woman rushed out she felt the house shaking.
A.
until
B.
immediately
C.
unless
D.
before
【单选题】下列情况引起的误差不属于系统误差的是( )
A.
称量时试样吸收了水分
B.
在滴定管读数时，最后一位估计不准
C.
以含量 98% 的碳酸钙为基准物标定 EDTA 溶液
D.
砝码受到了腐蚀
【单选题】A survey showed that the population in France ______ because many women didn't like to have a baby for some reason or other.
A.
has decreased
B.
had decreased
C.
decreases
D.
have decreased
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