可出现鼻咽部溃疡、鼻咽骨和软骨破坏引起鼻中隔穿孔的血管炎病（）。 A.变应性肉芽肿血

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The Tiger'S Dinner     

Tiger: Good afternoon, Mrs Goat. Let me eat you.

Goat: Don't eat me, Mr Tiger. I'm old. That deer is younger than me.     

(The goat runs away.)     

Tiger: Miss Deer, Miss Deer, let me eat you.

Deer: Oh, no. Many birds are standing over there.  

(The deer runs away.)     

Tiger: Birds, I will eat you. You are my dinner.    

Birds: (The birds fly away.) You are bad. We can fly. Can you?    

Tiger: No, I can't. But where is my dinner?

1. The tiger is                 .[ ]

A. full    

B. hungry    

C. scared

2. The tiger doesn't eat the goat, because there is a                over there.[ ]

A. deer    

B. bird    

C. rabbit

3. Can the birds fly?[ ]

A. No, they can.  

B. Yes, they can.    

C. No, they can't.

4. The tiger can't fly. He                 at last.[ ]

A. eats dinner    

B. eats the goat    

C. doesn't have dinner

益母草具有的功效是（）

A.活血调经，利尿，清热通便

B.活血止痛，消瘕散结

C.活血调经，利水消肿，清热解毒

D.活血通经，凉血止血

E.活血调经，消癥散结

商业银行应建立并保持必要的内部控制体系文件，包括（）。

A.对内部控制体系要素及其相互作用的描述

B.内部控制政策和目标

C.关键岗位及其职责与权限

D.控制程序、作业指导、方案和其他内部文件

血浆胶体渗透压的维持主要依靠（）。

A．白蛋白

B．γ-球蛋白

C．纤维蛋白原

D．NaCl

E．血红蛋白

The central problem of economics is to satisfy the people’s and nation’s wants. The problem we are faced with is that our (1) , here identified as money, are (2) . The only way we can resolve our (3) is to make choices. After looking at our resources, we must examine our list of (4) and identify the things we need (5) , those we can postpone, and (6) we cannot afford. As individuals, we face the central problem involved in economics — deciding just how to allocate our limited resources to provide ourselves with the greatest (7) of our wants.
Nations face the same problem. As a country’s population (8) , the need for more goods and services grows (9) . Resources necessary to production may increase, but there are (10) enough resources to satisfy the total desires of a (11) . Whether the budget meeting is taking place in the family living-room, in the conference room of the corporation (12) of directors, or in the chamber of the House of Representatives in Washington, the basic problem still exists. We need to find (13) of allocating limited resources in order to satisfy unlimited wants.
A short time ago, economists divided goods into two categories, free and economic. The former, like air and water, were in (14) abundance that economists had no concern about (15) of scarcity and what to do about it. Today many of these "free goods" are in (16) very expensive to use. Pollution has made clean air and water expensive for producers who have to filter their waste products, for consumers who ultimately pay for the producers’ extra costs, and (17) tax-payers who pay for the government’s involvement in cleaning the environment.
In the 1990s, almost all goods are (18) . Only by effort and money can they be (19) in the form people wish.
Meeting the needs of people and the demands from resources available leads to the basic activity of production. In trying to (20) unlimited wants from limited economic goods, production leads to new problems in economics.