题目内容

常用的滚动计算函数包括

A. rolling_mean()
B. rolling_sum()
C. rolling_min()
D. rolling_max()

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1Tellingyourfriendsomethingpersonalmakesherfeelyou___________hermorethanothers,saysaresearcheratHarvardUniversity.2Peopleoftenfeelfightsarenormalinmarriageandfamilyrelationshipsbutdifficulttoacceptinfriendship.Thiscancausefriendsto___________toofastontheirrelationshipwhentrouble___________.3Studiesshowthathavingafriend___________canreduceworryduringadifficultexperience.“Ourbodies___________thattheydon’thavetorespondsomuchtodangerifsomeoneistheretohelp,”saysaresearcherinpsychology.

Research1Numberofsubjects:1)___________offriendsoftheoppositesexMethod:Eachpairoffriendswereseparatedandeachmemberwasaskedquestionsabouthisorher2)_____________towardtheotherone.Findings:1Menweremorelikelyto3)___________theirfemalefriends,andtheytendedtobelievethattheirfemalefriendsfeltthesameway.Findings:2Womenweregenerally4)__________tothemenandtheybelievedtheirmalefriendsalsofeltthesameway.3Whenafemalefriendwasinlovewithsomeoneelse,menwerestilllikelyto5)___________romanticdateswithher.4Womenweresensitivetotheirmalefriends’relationshipandshowed6)___________inthosealreadyinlove.Research2Numberofsubjects:7)___________adultsMethod:Listthepositiveandnegative8)___________offriendshipswiththeoppositesex.Findings:1Malesweremuchmorelikelythanfemalestolistromanceasa9)___________.2Thisdifferencebetweenmenandwomenseemedtobeeven10)___________amongolderpeople.

1.The source of the problem ________ in the fact that he is careless.

2. He is the only person who could ________ the situation.

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