【单选题】听力原文:Woman: Good morning! University Language Centre. How can l help you? Man: I'm interested in doing a language course. I did Mandarin last year and now I'd like to do Japanese. Can you give me some...
【判断题】In the audit of inventory, the auditor and client are jointly responsible for making and recording the count of physical inventory; while the auditor is responsible for drawing conclusions about the a...
【单选题】The drawing is about_____.
【简答题】已知等比数列 的通项公式为 (1)求该数列的首项 及公比 ; (2)486是否为该数列中的项,若是,则是第几项;若不是说明理由; (3)若等差数列 中, , ,求等差数列 的前10项和 .
【多选题】关于喹诺酮类药物的构效关系叙述正确的是
A.
N-1位若为脂肪烃基取代时,以乙基或与乙基体积相似的取代基抗菌活性最好
B.
N-1位若为脂环烃取代时,环丙基取代时抗菌作用最好
D.
在1位和8位间成环状化合物时,产生光学异构体,以(S)异构体作用最强
【单选题】听力原文:Man: Hello 'Paragliders' Paradise'. How can l help you? Maria: Oh hi. I'm interested in doing a course in paragliding. Man: Which course are you interested in? Maria: Well, I'm not sure. What's a...
【单选题】Can l help you?
C.
l am looking for a T shirt.
【判断题】Linguists study competence as the basis for drawing conclusions about what performance is like.
【多选题】关于喹诺酮类药物的构效关系叙述正确的是
B.
3-位羧基和4-位羰基是抗菌活性不可缺少的药效基团
D.
6-位取代基对活性影响很重要,其大小顺序为F>Cl>CN>NH2>H
E.
8-位以氟、甲氧基取代或与1位成环,可使活性增加
【单选题】What is the lecture mainly about?
A.
The way that drawing has influenced art
B.
The relationship between drawing and other art
C.
The distinct purposes of drawing
D.
The reason that artists prefer drawing