Most musicians agree that the best violins were made in Cremona, Italy, about 200 years ago. These violins sound better than any others. They even sound (21) violins made today. Violin makers and scientists try to make (22) like the old Italian violins. (23) they aren’t the same. Musicians prefer the old ones. No one really knows (24) these old Italian violins are so special, (25) many people think they have an answer.
Some people think it is the age of the violins. But not all old violins sound wonderful. Only the old violins from Cremona are (26) .
Other people think that the (27) to those violins is the wood. The wood of the violin is very important. It must be from certain kinds of trees. It (28) too young or too old. Perhaps the violin makers of Cremona knew (29) special about wood for violins.
But the kind of wood may not be (30) important. (31) may be more impor
A. either
B. neither
C. too
D. nor
| The third of March, 1887, three months
before l was seven years old, was the most important day I remember in all my
life. On that day, my teacher, Anne Sullivan, came to me. I felt approaching
footsteps. I thought it was my mother and stretched out my hand. Someone took
it, and then I was caught up and held close in the arms of the person. The morning after my teacher came she led me into her room and gave me a doll. When I had played with it a little while, Miss Sullivan slowly spelled into my hand the word "d-o-l-l". I was at once interested in this finger play and tried to imitate it. When I finally succeeded in making the letters correctly I was filled with childish pleasure and pride. Running downstairs to my mother I held up my hand end made the letters for doll. I did not know that I was spelling a word or even that words existed, I s A. quite smart B. blind C. born in a rich family D. a great woman [单项选择]病毒性心肌炎诊断的主要指标，不包括（）
A. 心功能不全 B. 心脏扩大 C. 有奔马律 D. Ⅲ度房室传导阻滞 E. 偶发室性期前收缩 [简答题]关于路由过滤时,过滤route-table 和过滤3类LSA有什么区别吗
[单项选择]Oddi括约肌末端通常开口于（）
A. 十二指肠大乳头 B. 胰头处 C. 空肠起始端 D. 十二指肠一一空肠交界处 E. 十二指肠球部 [单项选择]经水前断，后病水，此病在（）
A. 气分 B. 血分 C. 水分 D. 冲任 E. 胞宫 [多选题]列车车轮、钢轨和轨枕是轮轨噪声的主要来源，包含（ ）。
A.曲线啸叫 B.轮轨滚动噪声 C.空气湍流噪声 D.冲击噪声 [判断题]被评价为“严重状态”的电缆线路应立即安排B类或A类检修。( )
A.正确 B.错误 [单选题]装、拆接地线时,人体不得碰触接地线或未接地的导线,以防止( )。
A.静电 B.突然来电 C.感应电 D.触电 [多选题]十不吊制度中要求：（ ）。
A.超载不吊 B.易燃易爆危险品不吊 C.锐角、刃角未垫好不吊 D.违章指挥不吊 [单项选择]青蒿、白薇、地骨皮、银柴胡都能治疗的病证是
A. 热结便秘 B. 虚热不退 C. 咽喉肿痛 D. 湿热黄疸 E. 肺热咳嗽 我来回答: 提交
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