写出下列反应的主要产物,若涉及立体化学请注明。

题型:问答题

问题:

写出下列反应的主要产物,若涉及立体化学请注明。

考点:普通考研07理学郑州大学2010年攻读硕士学位研究生入学试题有机化学A卷
题型:问答题

从马车上摔下,头后枕部着地,颈部活动受限,下颈椎压痛明显,四肢弛缓性瘫,躯干感觉平面在胸骨柄以下,痛、温觉消失,不能自行排尿,诊断首先考虑()。

A.颈椎间盘突出症

B.颈椎骨折脱位并颈髓损伤

C.颈部软组织损伤

D.颈椎骨折脱位并臂丛神经与腰骶丛神经损伤

E.胸椎骨折并脊髓损伤

题型:问答题

根据短文内容及首字母提示, 补全空格内单词, 使短文完整、通顺。

Reading is an activity that people enjoy a lot in their free time.

Some like reading newspapers and o___1___ enjoy novels or comic(喜剧的)books. My f___2___ books are those about the lives of great people. Reading them always gives me a lot of ideas on how to make my o___3___ life better.

Great people are remembered not because they were handsome or beautiful, but because they did not give up w___4___ their lives were difficult. They tried to use e___5___ chance to change their lives and make the world better.

One good example is Orville and Wilbur Wright, the two brothers who invented the airplane. The plane has m___6____ the world a small village. Hard work, not good luck, is the r___7___ why the Wright Brothers could invent this convenient(方便的)machine and become great people. Today we will remember them when we see planes f___8____ in the sky.

Whenever I read s___9___ about great people, I always learn a lot from them and they encourage me to march on.

This is w___10__ I enjoy reading about great people’s lives.

题型:问答题

点火提前角过大的故障现象是()。

A、功率下降

B、过热

C、化油器回火

D、尾气超标

题型:问答题

简述史密斯模型。

题型:问答题

对个人网上银行转账限额的规定,下面的描述哪项不正确()

A、无客户证书的客户转账的每笔金额和当日转账累计金额均有限制

B、有客户证书客户必须凭证书进行转账

C、理财金客户转账金额凭证书没有限制

D、有证书客户凭证书转账,仍然有次数和累计金额限制

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