我国证券交易所规定，属于下列情况之一的，首个交易日不实行价格涨跌幅限制：( )。A

房地产投资之弊不包括()。

A、流动性差

B、投资数额巨大

C、提高投资者的资信等级

D、投资回收期较长

作为一名合格的社会工作者，需要具备一定的知识基础，主要包括（）。

A.心理学知识

B.政策知识

C.教育学知识

D.技术知识

E.科学知识

     Next Halloween, a small vegetable that looks like a pumpkin may appear in a garden near you. The

vegetable is a type of pepper that is called "Lil' Pumpkin." It's very special because it has orange,

pumpkin－like fruit.

     You might think that all vegetables are grown to provide food to eat. But some vegetables are grown

mainly for the lively color and holiday spirit that they bring to gardens. These are called "ornamentals

(观赏性植物)." Just like lights decorate a Christmas tree, they decorate a garden.

     The peppers were bred(培育) by Agricultural Research Service (ARS) scientists John Stommel and

Robert Griesbach. Another pepper the scientists developed is called "Pepper Jack." Because Pepper

Jack has orange and black cone shaped(锥形的) fruit, it might remind you of the popular Halloween

treat "candy corn."

     Stommel says that vegetable crops such as peppers were first widely grown in Europe in the 15th

century. At that time, people liked these crops more because they looked pretty than because they

provided food.

     Back then, when a gardener grew plants for decoration and plants for food, the garden was called a

"potager." An example of this is the large gardens on the lawns(草坪) of castles and very large homes

where kings and queens lived, One of those large royal homes was the French king's palace at

Versailles during the 1600's. The palace is still there today, and people from all over the world still go

there to visit and see the gardens.

     Today, Stommel says using vegetables as decorations in gardens has become popular again.

     So you might be wondering, if these peppers are for decoration, can people eat them? Yes, but the

fruit from both of these peppers has a sharp taste (kind of like onions！)

     These peppers are scheduled to become available in mid2011. These pretty peppers can be grown

in containers and also in garden beds. They grow best with plenty of light and warm temperatures,

Stommel says.

1. What does the passage mainly talk about?

A. Different kinds of peppers.

B. The history of peppers.

C. Peppers with the Halloween spirit.

D. Food for the Halloween festival.

2. What do we know about "Lil' Pumpkin" and "Pepper Jack"?

A. They are used to decorate Christmas trees.

B. They are grown mainly to provide food to eat.

C. Their fruits have different shapes.

D. Their fruits are the same color.

3. The underlined word "they" in Paragraph 2 refers to "______".

A. these vegetables  

B. these holidays

C. these lights  

D. these scientists

4. According to the passage, a potager was ______.

A. the place where kings and queens lived

B. the garden in the French king's palace

C. a place providing vegetables for the royal homes

D. a garden with plants for decoration and for food

乳状液膜工艺流程主要的步骤不包括？（）

A.制乳

B.液膜萃取

C.分液

D.破乳

根据《建设工程安全生产管理条例》施工单位应当设立安全生产管理机构配备（）管理人员。

A.专职安全生产

B.兼职安全生产

C.专职或兼职安全生产

D.安全监督