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【简答题】
海洋是巨大的资源宝库，请你运用的知识回答下列问题： （1）人类所需要的下列物质，可以从海洋中获取的是 ①石油  ②无机盐  ③可燃冰  ④海洋生物  ⑤淡水 A．①③④⑤    B．①④⑤    C．②③④    D．全部 （2）从海水中获取粗盐的方法是 ． （3）在粗盐提纯过程中，要得到纯净的氯化钠，需要调节溶液的酸碱性．为了测定溶液的酸碱度，最简单的方法是使用 ；现测得溶液的pH为10，为了将pH调节到7，溶液中加入适量的 （填物质名称）． （4）淡化海水可采用膜分离技术（如图所示），水分子可以透过淡化膜（海水中其他离子不能透过）进入左侧的池子，从而得到淡水．以下分析中正确的是 A．右侧池中海水的密度不变 B．右侧池中溶质的质量分数变大 C．淡化膜可用滤纸代替 D．用膜分离技术得到的淡水为硬水．
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参考答案：
举一反三
【多选题】Choose the FALSE statements ( )
A.
Increase in alveolar pressure of carbon dioxide increases the minute ventilation.
B.
An increase in 2,3-DPG shifts the O2 uptake curve to the left.
C.
An increase in temperature shifts the O2 uptake curve to the right.
D.
Central chemoreceptors tend to respond slowly over time, while carotid bodies react quickly to immediate needs.
E.
PO2 is the primary regulating variable of the central chemoreceptors.
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【简答题】125×2+3.7× 1 8 + 1 8 ×5.3．
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【单选题】代表股东执行股东大会建议和决定的银行内部组织结构或人员是
A.
银行行长
B.
董事会
C.
资产管理公司制
D.
股东大会
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【单选题】From the following, choose the one which is not Francis Bacons work; ______.
A.
Advancement of Learning
B.
The New Instrument
C.
Venus and Adonis
D.
The New Atlantics
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【简答题】(名词解释)酸解反应
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【单选题】Choose the one which is equal to the word given blow sociable
A.
lovable
B.
humorous
C.
gregarious
D.
communicational
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【单选题】When was Wordsworth’s “Preface” to Lyrical Ballads published? (5.3.)
A.
1798.
B.
1799.
C.
1800.
D.
1802.
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【单选题】Choose the one which is equal to the word given blow convict
A.
culprit
B.
invader
C.
instructor
D.
mentor
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【单选题】Consider Figure 5.3. The quota's revenue effect equals:
A.
$1.60
B.
$2.40
C.
$3.20
D.
$4.00
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【单选题】Choose the one which is equal to the word given blow intricate
A.
arduous
B.
complex
C.
invalid
D.
unpleasant
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相关题目：
【多选题】Choose the FALSE statements ( )
A.
Increase in alveolar pressure of carbon dioxide increases the minute ventilation.
B.
An increase in 2,3-DPG shifts the O2 uptake curve to the left.
C.
An increase in temperature shifts the O2 uptake curve to the right.
D.
Central chemoreceptors tend to respond slowly over time, while carotid bodies react quickly to immediate needs.
E.
PO2 is the primary regulating variable of the central chemoreceptors.
查看完整题目与答案
【简答题】125×2+3.7× 1 8 + 1 8 ×5.3．
查看完整题目与答案
【单选题】代表股东执行股东大会建议和决定的银行内部组织结构或人员是
A.
银行行长
B.
董事会
C.
资产管理公司制
D.
股东大会
查看完整题目与答案
【单选题】From the following, choose the one which is not Francis Bacons work; ______.
A.
Advancement of Learning
B.
The New Instrument
C.
Venus and Adonis
D.
The New Atlantics
查看完整题目与答案
【简答题】(名词解释)酸解反应
查看完整题目与答案
【单选题】Choose the one which is equal to the word given blow sociable
A.
lovable
B.
humorous
C.
gregarious
D.
communicational
查看完整题目与答案
【单选题】When was Wordsworth’s “Preface” to Lyrical Ballads published? (5.3.)
A.
1798.
B.
1799.
C.
1800.
D.
1802.
查看完整题目与答案
【单选题】Choose the one which is equal to the word given blow convict
A.
culprit
B.
invader
C.
instructor
D.
mentor
查看完整题目与答案
【单选题】Consider Figure 5.3. The quota's revenue effect equals:
A.
$1.60
B.
$2.40
C.
$3.20
D.
$4.00
查看完整题目与答案
【单选题】Choose the one which is equal to the word given blow intricate
A.
arduous
B.
complex
C.
invalid
D.
unpleasant
查看完整题目与答案
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