6．1 My professor brother and I have an argument about head and heart，about whether he overvalues IQ while I lean more toward EQ．We typically have this debate about people-can you be friends with an animal？I'd love it if our dog could fetch the morning paper and then read it to me，but I actually care much more about her loyal and innocent heart．There's already enough thinking going on in our house，and we probably spend too much time in our heads．Where we need some role modeling is in instinct，and that's where a dog is a roving revelation．
2 I did not grow up with dogs，which meant that my older daughter's respectful but unyielding determination to get one required some adjustment on my part．I often felt she was training me：from age 6to 9，she gently schooled me in their personalities，whispered to the dogs we encountered so they would charm and persuade me，demonstrated by her self-discipline that she was ready for the responsibility．And thus came our dog Twist，whom I sometimes mistake for a third daughter．
3 At first I thought the challenge would be to train her to sit，to walk calmly beside us and not go wildly．But I soon discovered how much more we had to learn from her than she from us．
4 For example，that the secret to a child's success is less rare genius than persistence，Twist's ability to stay on task is a model for us all，especially if the task is trying to capture the sunbeam that flicks around the living room as the wind blows through the branches outside．She never succeeds，and never gives up．This includes when she runs square into walls．
5 Then there is her unfailing patience，which breaks down only when she senses that dinnertime was 15minutes ago and we have failed to notice．Even then she is more eager than indignant，and her refusal to whine shows a restraint of which I'm not always capable when hungry．
6 The lesson I value most is forgiveness．Twist first offered this when she was still very young，7months old．We took her to the vet to be spayed （切除卵巢）．We turned her over to a stranger，who performed a procedure that was probably not pleasant．But when the vet returned her to us，limp and tender，there was no blame．It was as though she already knew that we would not intentionally cause her pain．She forgave and curled up with her head on my daughter's lap．
7 I suppose we could have concluded that she was just blindly loyal and docile．But eventually we knew better．She will ignore us when there are more interesting things to look at，rebuke us when we are careless，bark when she has urgent messages to send．But her patience with our failings and her willingness to give us a second chance are a daily lesson in gratitude．
8 An age that is all about growth and risk needs some anchors and weights．Sometimes I think Twist's devotion keeps my girls on a benevolent leash，one that hangs quietly at their side as they trot（小跑） along but occasionally yanks them back to safety and solid ground．
9 We've weighed so many decisions so carefully in raising our daughters-what school to send them to and what church to attend，when to give them cell phones and with what precautions．But when it comes to what really shapes their character and binds our family，I never would have thought we would owe so much to its smallest member．
66．The first paragraph is mainly intended toA．
A．serve as an introduction to the topic．
B．tell readers EQ matters more than IQ．
C．show a dog can be very capable．
D．indicate there's too much debate in their house．
67．From the passage，we can know thatD．
A．the writer's older daughter had her wish come true in an awkward way．
B．a(chǎn) child's success depends more upon his/her genius．
C．Twist would obey her masters in any case．
D．the writer came to recognize the role Twist played in the family．
68．The underlined word in paragraph 2most probably meansC．
A．a(chǎn)ggressive
B．flexible
C．stubborn
D．persuasive
69．What does the writer mainly expresses in paragraph 9？C
A．Her concern for her daughters'growth．
B．Her opinion on raising children．
C．Her gratitude to Twist．
D．Her reliance on Twist
70．Which of the following best illustrates the structure of the passageA
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