钢梁桥不得采用（）支座。A、板式 B、橡胶 C、摇轴 D、辊轴

阅读短文，回答问题。

      It was a fine day last Sunday. Tom got up early. He got up at six. He had breakfast at seven. He ate three

sandwiches for his breakfast. Then he did his homework at eight and played computer games at ten thirty.

After lunch, his friends came to see him. They went to the zoo to see the animals at two fifteen. At four in the

afternoon they saw a new film at the movie theatre. He went home at seven thirty. Then he had supper. He

went to bed at nine thirty. Tom's Sunday was a very busy day.

1. Was it a fine day Last Sunday?

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2. Did Tom get up early?

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3. What did he eat for breakfast?

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4. Did he see a film?

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5. What time did he go to bed?

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以下关于甲醇中毒表述不正确的是（）

A.甲醇经呼吸道和消化道吸收，皮肤也可部分吸收

B.甲醇在体内氧化和排泄均较快，故无明显蓄积作用

C.对神经系统有麻醉作用

D.甲醇经脱氢酶作用，代谢转化为甲醛、甲酸，抑制某些氧化酶系统，致需氧代谢障碍，体内乳酸及其他有机酸积聚，引起酸中毒

E.由于甲醇及其代谢物甲醛、甲酸在眼房水和眼组织内含量较高，致视网膜代谢障碍，易引起视网膜细胞、视神经损害及视神经脱髓鞘

高血钾时心电图的变化有（）

A.S-T段下降

B.T波高而尖，PR间期延长

C.出现U波

D.QRS间期缩短，QT时间延长

E.T波宽而低平，重者T波倒置

教师在讲授《孔雀东南飞》时，让学生谈谈对“指如削葱根，口如含朱丹”一句的理解，以下说法中不正确的一项是（）。

A.运用了外貌描写手法，刻画出一位貌美的女性的形象

B.运用了比喻的修辞手法，对女性之美的形容恰当而贴切

C.手指纤细、洁白，像尖尖的洁白的葱根；嘴唇红润，像含着红色的朱砂

D.运用了白描的手法，从外貌的细节着手，刻画精细

家风是一个家族的传统风习，是在家庭主要成员的影响下自然形成的传统习惯和生活作风，是社会道德在家庭中的反映。中 * * 历重视家风建设，形成了艰苦朴素、尊老爱幼、助人为乐、克己奉公等良好家庭风尚，哺育了无数优秀儿女，使中国的家庭文明为全人类的精神文明做出了积极的贡献。这表明，重视家风建设

①有利于在潜移默化中提高青少年的文化素养

②是培育和践行社会主义核心价值观的重要载体

③必须高扬改革创新的时代精神，坚持先进文化的前进方向

④必须发挥道德模范的榜样作用，大力开展精神文明创建活动

A．①②

B．①③

C．②④

D．③④