67、根据以下内容，回答{TSE}题。

　　Strong emotional bonds between mothers and infants increase children’s willingness to explore the world-an effect that has been observed___67___the animal kingdom，in people，monkeys and even spiders．The more secure we are in our___68___to Morn，the more likely we are to try new things and take risks．Now researchers are discovering that this effect continues into adulthood．A___69___reminder of Mom’s touch or the sound of her voice on the phone is___70___to change people’s minds and moods，___71___ their decision making in measurable ways．

　　In a study___72___online in April in Psychological Science，undergraduate business students had to choose between safe bets and risky gambles--a bond with a guaranteed 4 percent yearly___73___or ariskier stock option，for example．In half the cases，the experimenters patted the students___74___on the back of the shoulder for about one second__75___providing verbal instructions about the study．Both male and female students who were touched by a female experimenter were___76____more likely to choose the risky alternative____77___were those who had not been touched or were patted by male experimenters．

　　The reassuring(宽慰的)touch of a woman may have induced early associations，____78___the same openness to exploration that is observed in young children of____79___mothers，explains Jonathan Levav,a business professor at Columbia University and lead author of the study．To further____80___that a woman’s touch links feelings of security____81___risk taking，the researchersasked a____82___group of undergraduates to make financial decisions after a writing exercise． Half of them wrote about a time they felt secure and supported，whereas the____83___half wrote about feeling insecure and alone．Evoking(唤起)a____84___of insecurity made students in the latter group____85___receptive to the gentle shoulder pats from female experimenters and much more willing to take a risk-just as a child leaving for a field trip might steal one last reassuringhug____86___Mom before stepping on the bus．

　　A．by

　　B．up

　　C．above

　　D．across

　　68、

　　A．concern

　　B．attachment

　　C．treatment

　　D．appeal

　　69、

　　A．bare

　　B．unique

　　C．mere

　　D．just

　　70、

　　A．enough

　　B．ready

　　C．easy

　　D．quick

　　71、

　　A．generating

　　B．regulating

　　C．affecting

　　D．refining

　　72、

　　A．exhibited

　　B．published

　　C．appeared

　　D．advertised

　　73、

　　A．return

　　B．expense

　　C．cost

　　D．prize

　　74、

　　A．seemingly

　　B．strongly

　　C．partly

　　D．lightly

　　75、

　　A．if

　　B．so

　　C．while

　　D．whereas

　　76、

　　A．rather

　　B．far

　　C．further

　　D．pretty