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【单选题】
质量摩尔浓度的定义是指在下列哪—条件下含有溶质的物质的量?( )。A.
1000g溶液中
B.
1L溶液中
C.
1000g溶剂中
D.
1L溶剂中
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举一反三
【单选题】We can learn from the passage that______.
A.
some feedback mechanisms may slow down global warming
B.
the basic facts of global warming are unknown
C.
developing countries benefit from cheap fossil fuels
D.
developed countries have decided to reduce their energy consumption
【单选题】According to this passage, a sharp increase in global oil prices was once caused by __________
A.
global warming
B.
Hurricane Katrina
C.
climate change
D.
an explosion
【单选题】According to the passage, the society envisioned by most Saint-Simonians would be one in which______.
A.
women could obtain superior rights
B.
women played a vital role in politics
C.
the two genders competed with each other
D.
the two genders had equal status
【单选题】Which one of the following is the best title for the passage?
A.
Protesters Use Intenet as Weapon to Stop a War
B.
Civil War on the Intenet
C.
Internet Prevents Anti-War Movement
D.
A Call for Intenet War against Terrorism
【单选题】国务院旅游主管部门和县级以上地方人民政府应当根据需要建立旅游公共信息和咨询平台,()向旅游者提供旅游景区,路线,交通必要信息和咨询服务
A.
有偿
B.
无偿
C.
依照合同约定
D.
根据地方法规规定
【单选题】Passage One Questions 56 to 60 are based on the following passage. Global warming is causing more than 300,000 deaths and about $125 billion in economic losses each year, according to a report by the ...
A.
Rates of death from illnesses have risen due to global warming.
B.
Global temperatures affect the rate of economic development.
C.
Malnutrition has caused serious health problems in poor countries.
D.
Economic trends have to do with population and natural disasters.
【简答题】Passage Three Questions 31 to 35 are based on the following passage. Mars Global Surveyor is the oldest of five NASA robotic devices, which is designed to find out signs that Mars once had water; and ...
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