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问题 单项选择题 A1/A2型题

男性，36岁，半年前患急性黄疸型肝炎，半个月来发热、牙龈出血。体检：重度贫血貌，肝肋下2cm，脾肋下未及。检验：红细胞1.8×1012/L，血红蛋白55g/L，白细胞2.5×109/L，血小板32×109/L，网织红细胞0.2%。最可能的诊断是（）

A.慢性肝病性贫血

B.巨幼细胞贫血

C.脾功能亢进

D.再生障碍性贫血

E.恶性组织细胞增生症

答案

参考答案：D

解析：患者全血细胞减少，网织红细胞减少，肝脾不肿大，符合再生障碍性贫血的特征。

单项选择题

目前认为与龋病关系最为密切的细菌是：（）

A、乳酸杆菌

B、放线菌属

C、血链球菌

D、变形链球菌
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问答题

Learning to save money when you’re young is an important lesson and a good habit, and saving is a skill that everyone needs. Many people-adults included-do not have a good sense of saving for the long run.
I have been lucky to learn this lesson early because I have had a grass-cutting business since I was 10 years old. Of the money I make I spend about 10 percent and save the other 90.
Making sure you save and don’t spend too much is a good way to build up wealth. I have put my earnings in a bank. Many teens I know spend all the money they earn so it never has a chance to grow. Young people should realize that their teenage years are a great time to begin saving.
At high school many parents pay for almost everything, so your expenses can be small. If you have a job, you should have fun with some of the money. But you should also save some so that it will grow. Then you can begin planning for your future. When you spend money, you not only lose that money, but also lose the interest you could have earned by saving it.
After high school, college is expensive and then "real" life begins, with expenses such as food and rent. If you can hold onto a good percentage of the money you earn as a teen, going to college and buying a house will be much easier. ______, the more time the money has to grow. If you are in your thirties without any savings, you will always have to struggle. The earlier you begin saving, the easier it is to create a nest egg.
Later in life it can be hard to start saving because general costs of living are more expensive and you may only have enough to pay your bills. If you want to buy a house and have a family, you need money to start with, which comes from saving.
Many say money cannot make you happy, and this is true. But money can help you to lead a secure life.
Saving early will mean you will have to work for fewer years when you are older. It will also allow you to spend time doing the things that you want to do.
In addition to this, it will mean you can live the way you want to without worrying.

Please fill in the blank in the passage with proper words or phrases to complete the sentence. (within 10 words)
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