对液体制剂说法错误的是A.液体制剂常用的极性溶媒为水和甘油B.液体制剂可分为均相液体

题型:单项选择题

问题:

对液体制剂说法错误的是

A.液体制剂常用的极性溶媒为水和甘油
B.液体制剂可分为均相液体制剂和非均相液体制剂
C.液体制剂中不需加入矫味剂和着色剂
D.溶胶剂、混悬剂、乳剂为不稳定的多相分散体系
E.液体制剂中常需加入防腐剂

考点:西药执业药师药剂学液体药剂(一)
题型:单项选择题

钢结构轴心受压构件应进行( )计算。

A.强度、刚度、局部稳定

B.强度、局部稳定、整体稳定

C.强度、整体稳定

D.强度、刚度、局部稳定、整体稳定

题型:单项选择题

关于肾血流量的自身调节,错误的是()

A.动脉血压10.64~23.94kPa、即80~180mmHg范围波动时,肾血流量能保持相对恒定

B.只涉及皮质血流

C.与动脉血压对入球动脉的牵张刺激有关

D.动脉血压升高时,入球动脉口径变小

E.动脉血压下降时,入球动脉口径变大

题型:单项选择题

阅读理解。

     Five years ago, David Smith wore an expensive suit to work every day. "I was a clothes addict," he

jokes."I used to carry a fresh suit to work with me so I could change if my clothes got wrinkled." Today

David wears casual clothes-khaki pants and sports shirt-to the office. He hardly ever wears necktie. "I'm

working harder than ever," David says, "and I need to feel comfortable."

     More and more companies are allowing their office workers to wear casual clothes to work in the United

States. The change from formal to casual office wear has been gradual. In the early 1990s, many companies

allowed their employees to wear casual clothes on Friday (but only on Friday). This became known as "dress-

down Friday" or "casual Friday." "What started out as an extra one-day-a-week benefit for employees has

really become an everyday thing," said business consultant Maisly Jones.

     Why have so many companies started allowing their employees to wear casual clothes? One reason is that

it's easier for a company to attract new employees if it has a casual dress code. "A lot of young people don't

want to dress up for work," says the owner of a software company, "so it's hard to hire people if you have a

conservative dress code." Another reason is that people seem happier and more productive when they are

wearing comfortable clothes. In a study conducted by Levi Strauss and Company, 85 percent of employers

said that they believe that casual dress improves employee morale (士气). Only 4 percent of employers said

that casual dress has a negative impact on productive. Supporters of casual office wear also argue that a casual

dress code helps them save money. "Suits are expensive, if you have to wear one every day," one person said.

"For the same amount of money, you can buy a lot more casual clothes."

1. David Smith refers to himself as having been "a clothes addict" because _____.

A. he often wore khaki pants and a sports shirt

B. he couldn't stand a clean appearance

C. he wanted his clothes to look neat all the time

D. he didn't want to spend much money on clothes

2. David Smith wears casual clothes now, because _____.

A. they make him feel at ease when working

B. he cannot afford to buy expensive clothes

C. he looks handsome in casual clothes

D. he no longer works for any company

3. According to this passage, which of the following statements is FALSE?

A. Many employees don't like a conservative dress code.

B. Comfortable clothes make employees more productive.

C. A casual clothes code is welcomed by young employees.

D. All the employers in the US are for casual office wear.

4. According to this passage, which of the following statements is TRUE?

A. Company workers started to dress down about twenty years ago.

B. Dress-down has become an everyday phenomenon since the early 990s.

C."Dress-down Friday" was first given as a favor from employers.

D. Many workers want to wear casual clothes to impress people.

5. In this passage, the following advantages of casual office wear are mentioned EXCEPT _____.

A. saving employees' money

B. making employees more attractive

C. improving employees' motivation

D. making employees happier

题型:单项选择题

IgE主要的抗体效应是()

A.调理作用

B.ADCC

C.阻断中和作用

D.参与超敏反应

E.裂解细胞作用

题型:单项选择题

总成本曲线的形状特征取决于()

A、边际替代率递减规律

B、边际效用递减规律

C、边际报酬递减规律

D、边际产量递减规律

更多题库