皮皮学，免费搜题
登录
搜题
【单选题】
图示等直杆，AB=BC=CD=a，杆长为3a，材料的拉压刚度为EA。则杆C点横截面的水平位移为（ ）。 （以正）【图片】A.
0
B.
2 Pa/EA
C.
Pa/EA
D.
3 Pa/EA
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】根据首字母提示完成句中所缺单词。 1. My mother has a few days o______, she wants to take me to Dalian. 2. How long does it t______ you to get there by bus? 3. Tom often s______ his teacher an e-mail. 4. Peter is t____...
【简答题】通过观看视频《幼儿社会学点之同化》,我们发现环境在幼儿社会教育中起到了非常重要的作用。如果你是一名幼儿园老师,你会为幼儿创造怎样的环境来更好的促进幼儿社会领域的学习?举例子说明
【简答题】根据句意、首字母或汉语提示，写出各句中所缺单词的正确形式。 1. I am going to f______ the cat when he is away. 2. Dad, could I b______ some money? I need to buy a computer. 3. Kate i______ me to her birthday party yesterday. 4. We ...
【单选题】关于代谢性酸中毒的代偿，下列何种说法是不正确的？（）
A.
使血中【HCO 3 - 】/【H 2 CO 3 】的比值趋近20/1
B.
增加二氧化碳排出
C.
肾小管生成H + 和NH 3 减少
D.
二氧化碳分压增加，刺激呼吸中枢
E.
尿中碳酸氢钠再吸收增加
【简答题】根据句意、首字母、或中英文提示完成单词。 1. 1st J_____ is New Year's Day. 2. The tigers' t_____ are very sharp. 3. They do morning _____ (早操) at 9.25 every day. 4. September 10th is T_____ Day. 5. It's _____ (not easy, h...
【简答题】完形填空。 It is Saturday today. Peggy and Vicky __ 1 ___ go to school. Now they're __ 2 ___ their homework. It is __ 3 __. It is __ 4 __ for them to have lunch. They leave the study (书房) and go to the __ ...
【简答题】用动词的适当形式填空。 1. Madee chooses _______ (clean) the blackboard. 2. My father makes me _______ (work) all day. 3. Simon looks forward _______ (climb)the hill. 4. Hurry up! Your mother _______ (wait) for y...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
