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【单选题】
关于溶解度参数的特点,下列说法不正确的是A.
溶解度参数反映了溶剂极性的大小,与溶剂极性参数是相互关联的。
B.
两种溶剂的溶解度参数相同时,互溶性最好;相差越大,互溶性越差。
C.
溶解度参数可用于许多分离方法中溶质或溶剂极性大小的估算,选择分离过程中溶剂。
D.
溶解度参数可用来解释许多非电解质在有机溶剂中的溶解度及分离问题,不包括色散力、偶极力、质子接受性或给予性的贡献。
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举一反三
【单选题】______ he did not want to, he still had to share his hotel room with a stranger.
A.
Because
B.
Even though
C.
When
D.
As if
【单选题】—Hi,Michelle, I can't find my e-dictionary. —Sorry,I it. I guess I put it on the top shelf with my things. [ ]
A.
had used
B.
used
C.
was using
D.
am using
【单选题】下列哪项不是中药药理学学科的主要特征
A.
中药药理研究必须与中医药理论紧密结合
B.
中药的研究对象多样
C.
中药药效物质形式各异
D.
中药药理学只注重中药的药效研究
E.
中药的药理作用，具有多靶点、多环节、多途径，整合调节的特点
【单选题】____________ all his hard work, he still failed to finish the task in time.
A.
Although
B.
Even if
C.
Even after
D.
So long as
【单选题】下列哪项不是中药药理学学科的主要特征
A.
中药药理研究必须与中医药理论紧密结合
B.
中药的研究对象多样
C.
中药药理学只注重中药的药效研究
D.
中药的药理作用，具有多靶点、多环节、多途径，整合调节的特点
E.
中药药效物质形式各异
【单选题】______ he became seriously ill, he still went on working.
A.
If
B.
Unless
C.
And
D.
Even though
【单选题】Clinton feels that even though he enjoys his stay in China
A.
he is still not accepted by Chinese.
B.
he still cannot be a real participant of Chinese culture.
C.
he is unable to communicate with Chinese people.
相关题目：
【单选题】______ he became seriously ill, he still went on working.
A.
If
B.
Unless
C.
And
D.
Even though
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