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【单选题】
由样本求得相关系数r=0.98，且假设检验P<0.01,下列叙述中错误的是()。A.
两变量之间有高度相关性
B.
r来自高度相关的总体
C.
对应的总体相关系数大于0
D.
对应的总体相关系数小于0
E.
两变量之间有正相关性关系
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举一反三
【单选题】Which emotion does the underlined part in each sentence indicate?If this incident should happen, the speaker might feel down in the mouth.
A.
anger
B.
fear
C.
disgust
D.
sadness
【单选题】We apologize to you for any inconvenience you may have suffered and we will ________ that an incident like this will never happen again .
A.
rest assured
B.
make sure
C.
insure
D.
be sure
【多选题】在十九大报告中，习近平总书记指出，决胜全面小康要突出抓重点、补短板、强弱项，特别是要坚决打好（）的攻坚战。
A.
防范化解重大风险
B.
污染防治
C.
健康中国
D.
精准脱贫
【多选题】根据本讲，决胜全面小康，要突出抓重点、补短板、强弱项，特别要坚决打好哪三个攻坚战?( )
A.
乡村振兴
B.
防范化解重大风险
C.
精准脱贫
D.
污染防治
E.
可持续发展
【简答题】S1:What happened, then?S2:Three pirates armed with long knives were noticed on the stern of the tug towing a barge in 01°31.60′N,104°32.20′E,SOUTH CHINA SEA.Q:Where did this piracy incident happen?A....
【简答题】Listen carefully and answer the following questions. 1. At which branch of NatWest Bank
did this incident happen? A: ___________ 2. Who got angry? A: ___________ 3. What did the cashier do with a
stap...
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