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【单选题】
（6分）2010年4月14日，青海玉树发生7.1级地震。全国人民抗震救灾，众志成城，彰显了中华民族巨大的凝聚力。请回答下列问题： （1）部分救灾人员感到呼吸困难，因为玉树地区海拔高，空气中的O 2 ________________。
A.
不能供给呼吸         
B.
体积分数偏小        
C.
比低海拔地区稀薄 （2）在救灾过程中，某些设备需要使用锂电池。锂电池中总的化学反应可表示成：Li+MnO 2 =LiMnO 2 ，其中反应前后Li元素的化合价变化情况是：0→+1，则Mn元素的化合价变化情况为：+4→____________。 （3）确保饮用水安全是灾后重建的头等大事，静置、沉淀、吸附、过滤、消毒等都是常用的净水方法。判断净化后的硬水或软水，可加入少量肥皂水或用 进行检验，生活中常用 的方法来降低水的硬度。 （4）天然水中含有许多杂质，可利用吸附、沉淀、过滤和蒸馏等方法净化，其中净化程度最高的方法是 。 （5）国家药监局公布的抗震救灾急需药械目录中包括：一次性防护服、活性炭防护口罩、骨科内外固定材料等。其中防护口罩主要利用了活性炭的___________性。
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参考答案：
举一反三
【单选题】In which section of the article would the author add information about other people who plan to walk the whole Te Araroa trail?
A.
Introduction [paragraph 1]
B.
"More Than 994 Miles Already"
C.
"Walking About 12 Miles A Day"
D.
"Not Alone On The Trail"
查看完整题目与答案
【单选题】The author is primarily concerned with _____.
A.
describing how photographers' individual temperaments are reflected in their work.
B.
establishing new technical standards for contemporary photography.
C.
analyzing the influence of photographic ideals on picture-taking.
D.
explaining how the technical limitations affect photographers' work.
查看完整题目与答案
【单选题】According to the author, it is in the public interest to______.
A.
broadcast only popular television programs
B.
cater to the needs of all the people
C.
broadcast both Westerns and symphonies
D.
entertain people only
查看完整题目与答案
【单选题】In the last paragraph, the author points out that ______.
A.
anyway, the face-recognition technology is good enough to frighten the terrorists
B.
the industry will have to recognize the real situation and work hard to improve the technology
C.
all the claims are premature
D.
we must not expect too much
查看完整题目与答案
【多选题】下列关于风险评估的表述中，正确的观点有（ ）
A.
评估重大错报风险应当在审计工作完成阶段实施
B.
重大错报风险只能识别和评估，而无法控制和消除，同时也无法对风险评估水平进行修正
C.
在整个审计过程中，随着审计证据的不断获取，注册会计师可能会对风险评估水平进行修正
D.
在对风险评估进行修正后，注册会计师还应当考虑调整进一步审计程序的性质、时间和范围
查看完整题目与答案
【单选题】Which of the following might be the best title for the passage?
A.
Left-handedness in Traditional Society
B.
Left-handedness VS Right-handedness
C.
Left-handedness and Violence
D.
The advantage of Left-handedness in Boxing
查看完整题目与答案
【单选题】The author thinks that the relationship between the student and the te acher is ____.
A.
more intimate in China
B.
closer in China
C.
looser in USA
D.
more harmonious in USA
查看完整题目与答案
【简答题】How did the author find home in college? Read the text and complete te diagram.
查看完整题目与答案
【单选题】The Role of Religion in Korean Higher Education It is widely believed that religious traditions, such as Buddhism, Confucianism, Taoism and Christianity, had great effects on the entirety of Korean cu...
A.
Buddhism
B.
Confucianism
C.
Taoism
D.
Christianity
查看完整题目与答案
【单选题】According to the writer, the problem with crowded cities will be solved if ______.
A.
traditional methods of farming are well kept
B.
conditions in rural areas are much improved
C.
the government can provide more jobs
D.
violence could be controlled in dries
查看完整题目与答案
相关题目：
【单选题】In which section of the article would the author add information about other people who plan to walk the whole Te Araroa trail?
A.
Introduction [paragraph 1]
B.
"More Than 994 Miles Already"
C.
"Walking About 12 Miles A Day"
D.
"Not Alone On The Trail"
查看完整题目与答案
【单选题】The author is primarily concerned with _____.
A.
describing how photographers' individual temperaments are reflected in their work.
B.
establishing new technical standards for contemporary photography.
C.
analyzing the influence of photographic ideals on picture-taking.
D.
explaining how the technical limitations affect photographers' work.
查看完整题目与答案
【单选题】According to the author, it is in the public interest to______.
A.
broadcast only popular television programs
B.
cater to the needs of all the people
C.
broadcast both Westerns and symphonies
D.
entertain people only
查看完整题目与答案
【单选题】In the last paragraph, the author points out that ______.
A.
anyway, the face-recognition technology is good enough to frighten the terrorists
B.
the industry will have to recognize the real situation and work hard to improve the technology
C.
all the claims are premature
D.
we must not expect too much
查看完整题目与答案
【多选题】下列关于风险评估的表述中，正确的观点有（ ）
A.
评估重大错报风险应当在审计工作完成阶段实施
B.
重大错报风险只能识别和评估，而无法控制和消除，同时也无法对风险评估水平进行修正
C.
在整个审计过程中，随着审计证据的不断获取，注册会计师可能会对风险评估水平进行修正
D.
在对风险评估进行修正后，注册会计师还应当考虑调整进一步审计程序的性质、时间和范围
查看完整题目与答案
【单选题】Which of the following might be the best title for the passage?
A.
Left-handedness in Traditional Society
B.
Left-handedness VS Right-handedness
C.
Left-handedness and Violence
D.
The advantage of Left-handedness in Boxing
查看完整题目与答案
【单选题】The author thinks that the relationship between the student and the te acher is ____.
A.
more intimate in China
B.
closer in China
C.
looser in USA
D.
more harmonious in USA
查看完整题目与答案
【简答题】How did the author find home in college? Read the text and complete te diagram.
查看完整题目与答案
【单选题】The Role of Religion in Korean Higher Education It is widely believed that religious traditions, such as Buddhism, Confucianism, Taoism and Christianity, had great effects on the entirety of Korean cu...
A.
Buddhism
B.
Confucianism
C.
Taoism
D.
Christianity
查看完整题目与答案
【单选题】According to the writer, the problem with crowded cities will be solved if ______.
A.
traditional methods of farming are well kept
B.
conditions in rural areas are much improved
C.
the government can provide more jobs
D.
violence could be controlled in dries
查看完整题目与答案
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