题目内容

My parents offered me some money, ________, I couldn’t have bought that house.

A. otherwise B. so

C. but D. however

A

【解析】

试题分析:考查连词。A. otherwise要不然的话;B. so所以;C. but但是;D. however然而。句意:我的父母提供给我一些钱,要不然的话我不可能买了那房子。故选A。

考点:考查连词。

考点分析: 考点1:连词/连接词 连词是一种连接词与词,短语与短语以及句与句的虚词, 它不能独立担任句子成分而只起连接作用。连词主要可分为两类:并列连词和从属连词。
连词用法
一、并列连词用来连接平行的词、词组和分句。并列连词连接的双方是对等的。
常有的并列连词有and, both…and(两者都),  neither…nor(既不……也不……), not only…but also(不但…而且), as well as等。但如果连接的两部分意义不趋向一致,意义有转折的并列连词有:but(但是), however(然而), while (而),only (只不过)。还有表示选择关系的并列连词,
如:or, either…or(或者…或者…), 再有的是连接双方,互为因果,或表示前因后果的连词有:for(因为), so(所以), therefore (因此)等。
例句: She plays not only the piano, but (also) the guitar.
二、从属连词,在初中范围内常常考查引导状语从句、宾语从句的从属连词。其中有时间状语从句,
常用的连接词有:when, while, as, since, before, after, once, as soon as, until, till连
接条件状语的连词有:if, unless, as long as等,而原因状语的连接词有because, since, as, now that (既然)。目的、结果、方式、比较、地点等状语从句的连接词有:so that, so…that, such…that, as…as, than, where… 它们在句子与文章中几乎无处不见。用来连接宾语从句,如:that, if, whether。
例句如下:
Tom will call me as soon as he gets to Shanghai.
The meeting didn't start until  everyone was there.
I want to know if she is going to see a film. 试题属性
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When we donate(捐献) blood, a small amount is usually taken in advance for at least ABO and Rh systems typing. If you are O+, the O is your ABO type and the + is your Rh type. It is possible to be A, B, AB, or O as well as Rh + or Rh-.

The ABO system was discovered by Karl Landsteiner in the early 1900s. He was awarded the Nobel Prize for his achievements. There are four basic types of blood in the ABO system: A, B, AB and O. Everybody is born with one of these four types of blood. We get blood type, just like hair color and height from parents. Because of the substances(物质) contained in each type, the four groups must be transfused carefully, If two different blood types are mixed together, it may put a person into an extremely dangerous situation. Basically, A and B cannot be mixed. A and B cannot receive AB, but AB may receive A or B. In an emergency, type O blood can be given because it is most likely to be accepted by all blood types, so it is often called the universal donor. However, there is still a risk. For the opposite reason, AB is sometimes called the universal receiver. However, because there can be so many reactions in the blood bank of the hospital.

There is a relationship between your blood type and your nationality. Among the Europeans, about 45 percent have type O while 42 percent have type A. The least common is type AB. Other races have different percentage. For example, some American Indian groups have nearly 100 percent type O out of 100 donors in the world.

1.Which of the following shown the correct relationships in blood transfusions?

2.The underlined word “transfuse” most probably means ________.

A. to put the blood into a container

B. to move the blood from one place to another

C. to put the blood of one person into the body of another

D. to give power to another person

3.The writer suggests that the third most common blood type among the Europeans is ______.

A. B B. A C. AB D. O

4.The text mainly tells us ______.

A. about the basic types of human blood

B. what kind of blood is the most common

C. about Karl Landsteiner who won the Nobel Prize

D. the relationship between blood type and nationality

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