单选题:Directions:In this section,you will hear 3 short passages.At

  • 题目分类:英语六级
  • 题目类型:单选题
  • 查看权限:VIP
题目内容:
Directions:In this section,you will hear 3 short passages.At the end of each passage,you will hear some questions.Both the passage and the questions will be spoken only once.After you hear a question,you must choose the best answerfrom the fourchoicesmarked[A],[B],[C]and[D].Then mark the corresponding letter on Answer Sheet 2 with a single line through the center.Questionsare based on the passage you have just heard. A.
[B]At hom
B.
[C]At Youth Club
C.
[D]At Youth Center
参考答案:
答案解析:

[A] They are attending a concert. [B] They are negotiating a

[A] They are attending a concert. [B] They are negotiating about a price. [C] Th

查看答案

[题共用备选答案]双氯芬酸钠的分子结构是

[题共用备选答案]双氯芬酸钠的分子结构是

查看答案

下述选项不属于水溶性载体材料的是

下述选项不属于水溶性载体材料的是A.聚乙二醇类 B.聚纤维酮类 C.表面活性剂类 D.有机酸类 E.聚丙烯酸树酯

查看答案

直肠给药的特点不包括

直肠给药的特点不包括A.避免肝脏“首过效应”,提高生物利用度 B.控制作用时间比一般口服片剂短 C.用法简单、便于携带 D.低分子肝素等大分子药物可以透过直肠吸

查看答案

下列方法中不属于物理化学法制备微囊的是

下列方法中不属于物理化学法制备微囊的是A.单凝聚法 B.溶剂.非溶剂法 C.研磨法 D.液中干燥法 E.改变温度法

查看答案