躁狂发作的表现中通常所指的“三高”包括（） A.情感高涨 B.思维奔逸 C.食欲增加

My grandmother was from a town in Michigan. Summer after summer, I enjoyed staying with my grandparents as a young child. I was from the city and loved the small town they lived in. People knew everyone, their kids, their pets, their ancestors. The bond with them continued to grow as I grew and they got older. Grandma was always using her hands for something exciting. She would make little sandwiches and we’d have tea parties. She’d make beautiful quilts for each one. I remember the small thimble(顶针) she would use while doing her needle work.

A few years ago, when Grandma left this earth, I bid farewell to a loving grandmother. How quickly our lives can change. We had just had tea together a couple of months earlier, on her 91st birthday.

I missed her very much. On one particular birthday, when I was feeling a little low, something happened to make me feel like she was sharing that special day with me. I was arranging some colorful pillows that she had made, and suddenly I felt something inside one pillow. It was small and hard. I moved the object to a seam(接缝) that I carefully opened, and to my delight out came a tiny silver thimble! How happy I was to find something that had been a part of her. Not realizing it had fallen off her finger, I pictured her sewing it in that little pillow that I just happened to place on my bedspead that day. I carefully laid the thimble alongside the others I’ve collected over the years, where I could continue to see the gift God chose to reveal to me. What a precious memory of a very special lady who somehow, I knew, was laughing in delight at sewing her thimble inside my pillow.

I made some tea, using my best china, as Grandma always did, and enjoyed my tea and Grandma’s thimble. What a wonderful birthday that was!

60.The author liked staying with her grandparents because________.

A.they often bought her some gifts

B.she was curious about people and things there

C.she could have tea parties and eat sandwiches

D.she could learn to sew quilts

61.How did the author feel when she found the silver thimble?

A.Sad     B.Proud  C.Lucky  D.Cheerful

62.It can be inferred from the passage that the silver thimble________.

A.was the item the author had been trying to find

B.was the most treasured possession of Grandma

C.was very precious to the author

D.was a birthday gift Grandma had given the author

63.What is the best title for the passage?

A.A little pillow                B.Grandma’s silver thimble

C.My grandparents              D.My childhood

炼钢过程中向熔池中供氧的方式有（）、（）。

可行域满足的一个共同特点是：左边界必然（）的若干曲线。

A．向外凸或呈线性

B．向里凹

C．连接点向里凹

D．呈平行

提出“把关人”理论的学者是（）

A.卢因

B.波兹曼

C.麦克卢汉

D.李普曼

电热恒温干燥箱干热灭菌最佳条件选择（ ）

A．56～86℃，3小时

B．100～120℃，2小时

C．160～170℃，2小时

D．180～200℃，2小时

E．200～220℃，1小时