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【单选题】
在口服混悬剂中加入适量的电解质,其作用为()A.
使粘度适当增加,起到助悬剂的作用
B.
使ζ电位适当降低,起到絮凝剂的作用
C.
使渗透压适当增加,起到等渗调节剂的作用
D.
使PH值适当增加,起到PH值调节剂的作用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】According to the author, when will the problems to explore the deeper sea be largely solved?
A.
In the next generation.
B.
By the end of the 20th century.
C.
Inthe near future.
D.
By the middle of the 215. century.
【单选题】According to the author, when will the problems to explore the deeper sea largely be solved?
A.
In the next generation.
B.
By the end of the 20th century.
C.
In the near future.
D.
By the middle of the 21st century.
【单选题】According to the passage, all the following may cause damage to the sea EXCEPT
A.
sewage
B.
pesticides
C.
detergents and fertilizers
D.
plankton which cover bathers with itchy slime
【单选题】以下（ ）不是平面弯曲变形的特征。
A.
弯曲变形后的轴线与载荷作用面不在同—个平面内
B.
弯曲载荷均作用在同—平面内
C.
弯曲时横截面仍保持为平面
D.
弯曲变形后的轴线是一条平面曲线
【单选题】Specific Commodity Rates are normally lower than General Cargo Rates in air cargo transportation．( )
A.
正确
B.
错误
【简答题】Most of the foods grown and processed according to the federal standards will bear the seal ______.
【单选题】Who might be the first to find and kill whales in the sea, according to the passage?
A.
The Basque people of France and Spain.
B.
People in what would become Norway.
C.
People from Denmark and the Netherlands.
D.
People in what would become America.
【单选题】According to the passage, which of the following is TRUE?
A.
The deeper the sea, the stronger the waves.
B.
The sea is always calm at a great depth.
C.
Huge waves start from the depth of sea.
D.
Shallow waters will not be affected by big waves.
【单选题】No jettison of cargo shall be ______ as general average，unless such cargo is carried in accordance with the recognised custom of the trade．
A.
taken fair
B.
had fair
C.
made good
D.
gotten good
相关题目：
【单选题】以下（ ）不是平面弯曲变形的特征。
A.
弯曲变形后的轴线与载荷作用面不在同—个平面内
B.
弯曲载荷均作用在同—平面内
C.
弯曲时横截面仍保持为平面
D.
弯曲变形后的轴线是一条平面曲线