Sometimes homework is returned【C6】______brief written comments but without a grade. Even if a grade is not given, the student is【C7】______for learning the material assigned. When research is【C8】______, the professor expects the student to take it actively and to complete it with【C9】______guidance. It is the【C10】______responsibility to find books, magazines, and articles in the library. Professors do not have the time to explain【C11】______a university library works; they expect students,【C12】______graduate students, to be able to exhaust the reference【C13】______in the library. Professors will: help students who need it, but【C14】______that their students not be【C15】______dependent on them. In the United States, professors have many other duties【C16】______teaching, such as administrative or research work.【C17】______the time that a professor can spend with a student out of class is【C18】______.
If a student has problems with classroom work, the student should either【C19】______a professor during office hours【C20】______make an appointment.
【C1】
A.If
B.Because
C.Although
D.Before
第2题
A.弱酸陸
B.紫外吸收特性
C.易与金属离子发生反应
D.碱性介质中加热易水解
E.易与强碱反应
第3题
A.磺胺甲恶唑
B.二巯丙醇
C.盐酸苯海拉明
D.盐酸普鲁卡因
E.对乙酰氨基酚
第4题
采用戊烯二醛反应可以鉴别的药物是()
(A)巴比妥
(B)对乙酰氨基酚
(C)乙酰水杨酸
(D)异烟肼
(E)利眠宁
第5题
在强酸介质中的KBrO3反应是测定()
(A)异烟肼含量
(B)对乙酰氨基酚含量
(C)巴比妥类含量
(D)止血敏含量
(E)维生素C含量
第8题
A、对乙酰氨基酚
B、磺胺甲噁唑
C、盐酸普鲁卡因
D、盐酸苯海拉明
E、二巯丙醇
为了保护您的账号安全,请在“上学吧”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!