2007年12月15日，联合国气候变化大会通过了“（）路线图“。-我要搜题网

[单项选择]交调测量原理在工作频带内选择合适的两频率f1、f2，使交调产物f3＝2f1-f2（或2f2-f1）落在工作频带内，则（）.
A. 测量的交调最小值应满足该项指标的要求
B. 测量的交调最大值应满足该项指标的要求
C. 测量的交调均衡值应满足该项指标的要求
D. 测量的交调平均值应满足该项指标的要求

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[单选题] 安全管理的工作内容包括贯彻执行国家法律规定的()、法定的休息和休假制以及国家对女工和未成年特殊保护的法令。
A. 工作工领
B. 工作程序
C. 工作制度
D. 工作时间

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[单选题]允许速度160≥Vmax＞120km/h正线，轨道动态质量容许偏差管理值，高低III级偏差管理值为(???)mm。
A.6
B.10
C.8
D.15

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[填空题]

[A] What time is it now
[B] How is the weather today
[C] What do you think of China
[D] I’m sure.
[E] I like reading books.
[F] That’s OK.
[G] You should see a doctor.

You’d better see a doctor.

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[简答题]什么是线路中断

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[判断题]OTDR是靠捕捉光纤中背向散射信号来估算光纤的衰减的。

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[简答题]处理突发事件的要点有哪些？

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[单项选择]Long, long ago people thought that the sun went around the earth. In some countries, people said that the sun was a god(神). They thought that he drove across the sky each day on a golden (金色的) horse.
But now we know the earth goes around the sun. Today men know how far it is for the earth to go around the sun. They tell us that the earth travels over 1000miles (英里)a minute on its way around the sun.
The sun is really a star. It is much bigger than the earth and it is very hot. Some people have been to the moon, but we know that no one can ever get to the sun. It is too hot for people to live anywhere near it. The sun is 300, 000 times heavier than the earth and more than a million(百万) times larger.

Why can’t people live in the sun Because ______.
A. there is much water
B. it is too hot
C. it is too far away

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[单选题]男消防救援人员不得蓄胡须，鬓角发际不得超过耳廓内线的二分之一，蓄发（戴假发）不得露于帽外，帽墙下发长不得超过( )。
A.0.5厘米
B.1厘米
C.1.5厘米
D.2厘米

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[单项选择]关于共同运动的叙述哪一项不正确（）
A. 共同运动是脊髓水平的运动
B. 下肢共同运动在举起手臂时最常见到
C. 下肢共同运动在站立和行走时最易见到
D. 脊髓中支配屈肌的神经元和支配伸肌的神经元交互抑制失衡
E. 偏瘫患者期望完成某项活动时引发的遵循固定模式的不随意运动

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[单选题]综合分析国际国内形势和我国发展条件，从二〇二〇年到本世纪中叶可以分两个阶段来安排。第二个阶段，从_____到_____，在基本实现现代化的基础上，再奋斗十五年，把我国建成富强民主文明和谐美丽的社会主义现代化**。(　　)
A.二〇二〇年二〇三五年
B.二〇二五年二〇四〇年
C.二〇三〇年二〇四五年
D.二〇三五年本世纪中叶

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[单选题]直肠镜、乙状结肠镜、纤维光束结肠镜检查最危险的并发症是
A.肛门撕裂引起大便失禁
B.引起直肠大出血
C.交叉感染及癌细胞种植性转移
D.引起直肠穿破
E.引起内痔出血

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[填空题]商品の市価が輸送中に急落し、________が不利となった場合などに起こり、結局________の交渉となる。

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[单项选择]

To understand how astrology works, we should first take a quick look at the sky. Although the stars are at enormous distances, they do indeed give the impression of being affixed to the inner surface of a great hollow sphere surrounding the earth. Ancient people, in fact, literally believed in the existence of such a celestial sphere. As the earth, spins on its axis, the celestial sphere appears to turn about us each day, pivoting at points on a line with the earth’s axis of rotation. This daily turning of the sphere carries the stars around the sky, causing most of them to rise and set, but they, and constellations they define, maintains fixed patterns on the sphere, just as the continent of Australian maintains its shape on a spinning globe of the earth. Thus the stars were called fixed stars.
The motion of the sun along the ecliptic is, of course, merely a reflection of the revolution of the earth around the sun, but the ancients believed the earth was fixed and
A. The moon and the sun are moving in the same plane
B. The moon revolved along the ecliptic
C. The moon moves faster than the sun
D. The position of the moon can be found changed in an hour’s time

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[多选题]化脓性脑膜炎的临床表现有( )
A.全身性中毒症状
B.脑功能障碍症状
C.颅内压增高
D.脑膜刺激征
E.肌张力减弱或不典型性惊厥发作

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[判断题]人体触电方式分为:单相触电、两相触电、跨步电压触电。( )
A.正确
B.错误

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[填空题]When we got on the bus, we found no ______ (vacancy) seats.

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[单选题]新民主主义社会的国体是（）。
A.工农联合专政
B.无产阶级专政
C.资产阶级专政
D.几个革命阶级的联合专政

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[不定项选择题]A.美国
A.国际
B.日本
C.中国
D.德国
E.CCMD-3（精神疾病诊断制定的国家）

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[判断题]重症中暑热射病症状特点是在高温环境中从事体力劳动的时间较长，身体产热过多，而散热不足，导致体温急剧升高。
A.正确
B.错误