问题 单项选择题

有关补体的叙述,错误的是()

A.两条激活途径均有C3参与

B.补体含量相对稳定,不因免疫接种而有所升高

C.重症肝病患者血清补体含量降低

D.对某些病毒具有溶解作用

E.烧伤患者血清补体含量升高

答案

参考答案:E

选择题
阅读理解

There are many travel destinations across the globe. What confuses a person most is which travel destination to choose. When choosing a destination for a vacation or a trip, you need to decide what that destination has to offer to you. Meanwhile, you should also take many factors into consideration, so that the decision-making will get easy.

The amount of money you want to spend is an important factor and plays an important role in deciding a destination. For example, cities like London, New York, Vegas etc are expensive. On the other hand when you travel to Asia, the cost is generally lower and you don’t need to spend much on traveling, lodging or shopping. Therefore, it is important to estimate your budget before selecting a destination.

When you plan your vacation, another important thing to plan is the number of the days you want to spend. There are many travel destinations in the world that can be covered in a week’s time. Some destinations like Africa, or Maldives beaches can be planned in a week’s time. Some other destinations like New York, Thailand may require more than a few weeks to enjoy completely.

Vacations are also planned according to the company you have. For example, if you travel with your family, then you’ll need a place where you can enjoy with your family members. Similarly, if you are going with friends, a city full of amusement parks, museums, shopping centers will be an ideal(理想的) destination. Therefore you need to consider whom you are going with, before deciding a destination.

小题1:Who are the intended readers of the text?

A.Students majoring in tourism

B.Foreign travelers

C.travel agencies

D.Travel planners小题2:Compared to a journey to Thailand, a journey to New York _______.

A.is more suitable for a group of people

B.will take you a longer time

C.will cost you more money

D.gives you more fun小题3:What is the main factor to be considered mentioned in the last paragraph?

A.Services provided

B.Your partners in traveling

C.Activities involved in traveling

D.Your budget for a travel