在丘陵山区,机场区域内仪表飞行最低安全高度是以机场导航台为中心,半径55公里扇区范围

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问题:

在丘陵山区,机场区域内仪表飞行最低安全高度是以机场导航台为中心,半径55公里扇区范围内,距离障碍物的最高点不得少于()。

A.200米

B.300米

C.400米

D.600米

考点:空中交通管制员考试空中交通管制员考试题库
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据《国语》记载,范蠡对越王说:“古之善用兵者,因天地之常,与之俱行。”据《论语》记载,孔子说:“殷因于夏礼,所损益可知也;周因于殷礼,所损益可知也。其或继周者,虽百世,可知也。”《周易》说:“终日乾乾,与时偕行。”

(1)上述材料说明了什么哲学道理?

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(2)这对我们有什么启示?

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题型:单项选择题

下列估测的数据,最符合实际情况的是[ ]

A.考室内的气温大约是50℃

B.考生使用的课桌高度约为1.6m

C.某考生的体重约为500N

D.考室内一盏灯的功率约为1000W

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心肌灌注显像以及心血池显像时相图与振幅图呈现“补钉样”或“花斑样”,多提示_______心肌病()

A.肥厚型

B.限制型

C.缺血型

D.扩张型

E.缺血型

题型:单项选择题

The doctor-patient relationship is one of the (1) relationships in life, but many people say this relationship is beyond (2) . Can this relationship be saved The answer is (3) yes, because it must. And if that is lost, medicine becomes a technology and is (4) . In part the crisis in medicine began with doctors (5) themselves from patients.
The more critical work of a doctor happens in the taking of the human (6) . (7) is the most important and most difficult single transaction. The studies show that (8) of all the valuable information that leads to correct diagnosis comes from the history. Another (9) comes from the physical examination, 10% comes from simple (10) tests, and 5% comes from all the complex (11) . So listening is vital, because listening is not merely listening, but to establish a (12) .
But some doctors think listening is (13) . They like to use complex and costly (14) , and use (15) that create adverse reactions and require (16) . They don’t like to listen. Because there’s no premium on listening and that there’s no (17) for listening.
Even so, the doctor-patient relationship is not (18) saving. Because people may ask, what is good health And good health begins first and foremost with (19) . If you don’t care for a (20) , be somebody else, but don’t be a doctor!

题型:单项选择题

为保证电力系统承受第Ⅱ类大扰动时的安全要求,应由防止稳定破坏和参数严重越限的紧急控制等,实现保证电力系统安全稳定的第二道防线,下列()属于第二道防线。

A.HVDC功率调制

B.动态电阻制动

C.FACTS控制

D.HVDC功率紧急调制

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