异常的呼吸模式有()A、过度换气 B、胸式呼吸 C、腹式呼吸 D、复式呼吸

题型:单项选择题

问题:

异常的呼吸模式有()

A、过度换气

B、胸式呼吸

C、腹式呼吸

D、复式呼吸

考点:体育康复学体育康复学题库
题型:单项选择题

在某工程双代号网络计划中,工作N的最早开始时间和最迟开始时间分别为第20天和第 25天,其持续时间为9天。该工作有两项紧后工作,它们的最早开始时间分别为第32天和第34天,则工作N的总时差和自由时差分别为( )天。

A.3和0

B.3和2

C.5和0

D.5和3

题型:单项选择题

阅读理解

     Nuclearpowered aircraft carriers are considered one of the most important marine weapons in the

20th century. So far, only two countries in the world, the USA and France, have ever produced them.

But these fearful fighting machines are about to enter Asia.

     The US Navy said last month that one of its nine nuclearpowered aircraft carriers will be sent to

Japan to replace the diesel(柴油)powered carrier Kitty Hawk in 2008. In an agreement on October

30, the two countries also planned to level up their military (军事的) cooperation and the USA called

for Japan to take a larger role in alliance military moves.

     It will be the first time that a nuclearpowered carrier is based in Japan. Bombed by US forces in

World War ? at Hiroshima and Nagasaki, Japan is the only world country to have been attacked by a

nuclear weapon. Therefore, the citizens are highly sensitive to where nuclearpowered weapons are

based.

      "A radiation leak at Yokosuka would kill 100,000 people as far away as Tokyo, and could cause

billions of dollars in damage," said Masahiko Goto, leader of a protest group in Yokosuka. His group

has collected more than 300,000 signatures of people across Japan opposed to the nuclear carrier.

     The 44yearold Kitty Hawk, the US Navy's oldest active ship, has been based in Yokosuka since

1998. It had returned to the US to be decommissioned in 2008. The new carrier, yet to be unveiled,_

will travel faster, be capable of supporting longer operations and carry with it the Navy's most modern

technology.

     Experts pointed that this change is not only to strengthen the USJapan military alliance but also to

keep the military power of China and North Korea within limits. However, even Japanese experts don't

believe that the two countries are threats to the region.

     "There is no need for Japan to have a nuclear carrier as defense," said Tetsuo Maeda, an international

relations professor at Tokyo International University. He said that the change of ship indicates an

increased military capability in the region, much more than what is needed.

1. With such a formidable weapon to enter its country, Japanese citizens ________.

A. are aware of its benefits to the country

B. are anxious about its potential danger

C. are curious about the advanced technology

D. are against where the carrier will be based

2. The replacement of the aircraft carrier is intended to________.

A. set up a kind of base in Japan

B. strengthen the USJapan military alliance

C. show Japan's greater military capability

D. get rid of the dated marine weapon

3. From the story, we learn that________.

A. no other countries except the USA and France possess aircraft carriers

B. Japan has long planned to increase its military capability with new weapons

C. Japan will be the first country in Asia to have a nuclear aircraft carrier

D. Japan will be the third country to produce a nuclearpowered aircraft carrier

4. The underlined word "unveiled" in the fifth paragraph probably means________.

A. perfected  

B. discussed about

C. produced  

D. brought to view

题型:单项选择题

海洋是丰富的化学资源宝库.通过晾晒海水可以得到含有较多杂质的粗盐.

(1)在做粗盐初步提纯的实验时,要进行如右图所示的实验操作.

①操作A中玻璃棒的作用是______.②操作C中看到______ 时,停止加热.

(2)用天平称量一定量的含氯化镁、硫酸钠和氯化钙的粗盐,并设计了如下流程进行除杂提纯,进一步得到较纯净的氯化钠固体.

根据流程图回答下列问题:

①“加入过量的A溶液”,其中A试剂是______;

②白色固体Ⅱ的成分是______;白色固体Ⅲ的成分是______;

③加入“过量的氯化钡溶液”后,要将硫酸钡沉淀分离出来,应该用的操作方法是______.

④加入适量B溶液的目的是除去______.

题型:单项选择题

每天都把住房公积金卡放在钱包里面,但昨天被小偷偷走钱包了,所以住房公积金卡也丢了,娄底住房公积金卡丢了怎么办?

题型:单项选择题

在一个长度为n的顺序表中第i个元素(1≤i≤n)之前插入一个元素时,需向后移动【 】个元素。

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