M型超声心动图,正常成人主动脉瓣开放幅度应不小于() A.10mm B.30mm C

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问题:

M型超声心动图,正常成人主动脉瓣开放幅度应不小于()

A.10mm

B.30mm

C.18mm

D.20mm

E.16mm

考点:山东住院医师超声诊断科Ⅱ阶段心血管系统心血管系统题库
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下列加点字的注音,全都正确的一项是

A.罪愆(qiān) 翠幄(wò) 伺(sì)机 笑靥(yàn)

B.炮烙(lào) 商贾(gǔ) 歆(xīn)享 栈(zhàn)道

C.扪参(shēn) 猿猱(náo) 跬(kuǐ)步 聒噪(guō)

D.藩(pān)篱 句读(dòu) 曳(yè)兵 鸡豚(tún)

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Come to Austria (奥地利)

Soll is a village in the mountains western Austria. And the Post Hotel is clean and not expensive. It is opened by a local family. From the hotel you can see the whole village, the forests and the mountains. Temperatures in summer are usually 20 °Cto 25 °Cin the daytime, but much cooler by evening.

Enjoy Thailand!

When you visit Bangkok in Thailand, don’t miss the early morning river boat trip to the Floating just outside the city. There you will find many kinds of fruits and vegetables. And you can pay for them when you sit in your boat. Don’t forget your hat: the sun can be strong and it may be as hot as 40℃ at noon.

Visit Hawaii!

Maybe the most beautiful place in Hawaii is Kauai. You can visit its long, sandy beaches in the south and west of the island, and mountains and forests in the north, but don’t be surprised if it rains in the centre of the island. Daytime temperatures there are usually around 24°C to 26°C by the sea, and only a little cooler by late evening.

小题1:If you go to Bangkok, you can ______.

A.climb mountains

B.enjoy the scenery to the forests

C.live in the Post Hotel

D.buy fruits while sitting in your boat小题2:______ is one way to prevent the strong sunshine in Bangkok.

A.Going to the sandy beaches

B.Wearing a hat

C.Climbing up the mountains

D.Staying in the forests小题3:According to (根据) the advertisements, we know that ______.

A.the hottest travel place is Soll

B.maybe it often rains in the centre of Kauai

C.the Floating Market is in the middle of Bangkok

D.the Post Hotel in Austria is clean but the price is high

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在380V设备上工作,即使是刀闸已拉开,也必须用验电器或绝缘杆进行充分验电。

题型:单项选择题

下列有关渠沟交叉说法中不正确的是()。

A、对排水沟、池的管理应该是经常性清理

B、复核渠道的防洪标准,对于超标准洪水,应严禁入渠

C、渠沟交叉应修建排洪建筑物

D、如果渠低沟高相交,可采用渠下涵管

题型:单项选择题

下列事实不能用勒沙特列原理解释的是

A.新制的氯水在光照条件下颜色变浅

B.加入催化剂有利于氨的氧化反应

C.实验室中常用排饱和食盐水的方法收集氯气

D.工业上生产硫酸的过程中使用过量的空气以提高二氧化硫的利用率

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