皮皮学，免费搜题
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【单选题】
城市轨道交通信号系统的特点不包括一下哪一项?A.
具有完善的列车速度监控功能
B.
自动化水平高
C.
联锁关系交简单
D.
数据传输速率较高
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】下列叙述中哪条与氟尿嘧啶无关
A.
化学名为5-氟-2，4-二羟基嘧啶
B.
属抗代谢类抗肿瘤药
C.
是尿嘧啶的生物电子等排体
D.
与溴试液作用生成淡黄沉淀
E.
与重铬酸钾的硫酸溶液，微热后，玻璃试管的表面可被腐蚀
【单选题】“苟利国家生死以,岂因祸福避趋之”体现了一种
A.
同仇敌忾，抗御外侮的爱国主义优良传统
B.
维护祖国统一，反对分裂的爱国主义优良传统
C.
开发祖国河山，创造中华文明的爱国主义优良传统。
D.
热爱祖国，矢志不渝的爱国主义优良传统。
【单选题】Which of the following is right according to the passage?
A.
Some coast lines do not have two tides each day.
B.
Tides are not affected by the shape of coast line.
C.
The sun has as much effect on tides as does the moon.
D.
Tides usually rise to the same land day after day.
【单选题】According to the passage, all of the following statements are true EXCEPT ______ .
A.
The two strands up DNA's double helix can find each other easily in a complex chemical mixture
B.
Evolution has solved the problem of building a computer smaller than a speck of dust a long time before
C.
DNA not only programs cells to replicate themselves but also instructs them how to assemble individual molecules into new materials
D.
The read-head components for computer hard drives are constructed by means of the technology known as a molecular beam epitaxy
【单选题】“苟利国家生死以,岂因祸福避趋之”体现了一种( )
A.
同仇敌忾、抗御外侮的爱国主义优良传统
B.
维护祖国统一、反对分裂的爱国主义优良传统
C.
热爱祖国、矢志不渝的爱国主义优良传统
D.
开发祖国河山、创造中华文明的爱国主义优良传统
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