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【单选题】
甲氧苄啶的作用机制是
A.
抑制二氢叶酸合成酶
B.
抑制二氢叶酸还原酶
C.
抑制DNA螺旋酶
D.
抑制β-内酰胺酶
E.
掺入DNA的合成
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参考答案:
举一反三
【单选题】(1)According to most social psychologists, stereotypes are basically false for three reasons. (2)First of all, they exaggerate the differences between groups (for example, Irishmen are drunks; Jews do...
A.
steps.
B.
events.
C.
examples.
【单选题】下述有关预估的描述中,错误的是
A.
对服务对象需要与问题的详细了解和评估就是社会工作预估阶段要做的工作
B.
预估的目的是对服务对象的需要和问题进行深入了解和认识,以便有目的、有针对 性地介入
C.
预估的目的是对服务对象的需要和问题进行深入了解和认识,以便有目的、有针对 性地介入
D.
预估是—个认识社会工作者自我服务水平的过程,目的在于更好地满足服务对象的需求
【单选题】(1)According to most social psychologists, stereotypes are basically false for three reasons. (2)First of all, they exaggerate the differences between groups (for example, Irishmen are drunks; Jews do...
A.
1
B.
2
C.
3
D.
4
【判断题】One of the stereotypes of America is that Americans are all religious.
A.
正确
B.
错误
【单选题】Stereotypes are ideas and opinions we believe are true about . A .
A.
Americans
B.
old people
C.
women
D.
All of the above
E.
None of the above
【单选题】关于pH和pKa与药物解离的关系哪点说法不对( )
A.
pH=pKa时,〔HA〕=〔A-〕
B.
pKa是弱酸或弱碱性药液50%解离时的pH值
C.
pH和pKa变化小时对药物解离度无大影响
D.
pKa>7.5的弱酸性药在胃肠道基本不解离
E.
pKa<5的弱酸性药在胃肠道基本都是解离的
【单选题】All the following are examples of stereotypes except ______.
A.
all Japanese are well-behaved
B.
most international students from China are diligent
C.
women are beautiful
D.
all Muslims are terrorists
【判断题】企业在市场竞单时只需要考虑产品价格。
A.
正确
B.
错误
【单选题】(1)According to most social psychologists, stereotypes are basically false for three reasons. (2)First of all, they exaggerate the differences between groups (for example, Irishmen are drunks; Jews do...
A.
Furthermore (sentence 3)
B.
For example (sentence 5)
C.
According to (sentence 6)
D.
Also (sentence 7)
【判断题】等离子体显示器缺点是每一个像素都是一个独立的发光管。
A.
正确
B.
错误
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