
【名词&注释】
阳离子表面活性剂(cationic surfactant)、冻干粉针(lyophilized powder)、注射剂(injection)、阴离子表面活性剂、气雾剂(aerosol)、答题卡(answer sheet)、大输液(infusion solutions)、两性离子表面活性剂(amphoteric surfactants)、同位语从句(appositive clause)
[单选题]我们说HLB值具有加和性,指的是( )。
A. 阴离子表面活性剂
B. 阳离子表面活性剂
C. 两性离子表面活性剂(amphoteric surfactants)
D. 非离子表面活性剂
E. 肥皂类表面活性剂
查看答案&解析
举一反三:
[单选题]May I take this book out of the reading room? No,you . You read it in here. ( )
A. mightn’t
B. won’t
C. need’t
D. mustn’t
[单选题]One reason for her preference for city life is _______ she can have easy access to places like shops and restaurants.
A. that
B. how
C. what
D. why
[单选题]容易水解的药物,如果制成注射剂最佳可以选择( )。
A. 小水针
B. 大输液(infusion solutions)
C. 冻干粉针
D. 小输液
E. 气雾剂
[单选题]Whenever I met her, _________ was fairly often, she greeted me with a sweet smile.
A. who
B. which
C. when
D. that
[单选题]阅读下列短文,从每题所给的四个选项(A、
B、C和D)中,选出最佳选项,并在答题卡上将该项涂黑。
A. A
本文链接:https://www.zhukaozhuanjia.com/download/xq7874.html