急性,亚慢性,慢性毒性试验分别选择动物年龄为() A.初成年,性刚成熟,初断乳 B.

题型:单项选择题 A1/A2型题

问题:

急性,亚慢性,慢性毒性试验分别选择动物年龄为()

A.初成年,性刚成熟,初断乳

B.初断乳,性刚成熟,初成年

C.初断乳,初成年,性刚成熟

D.初成年,初断乳,性刚成熟

E.性刚成熟,初断乳,初成年

考点:公卫执业医师卫生毒理学卫生毒理学题库
题型:单项选择题 A1/A2型题

选择会计软件应选择()类产品。

A.原版或盗版

B.盗版

C.原版

D.原版和盗版

题型:单项选择题 A1/A2型题
Learning to save money when you're young is an important lesson. All good lessons and habits begin early, and saving is a skill that everyone __36__. Many people—adults included—do not have a good __37__ of saving for the long run.
I have been _38__ to learn this lesson early because I have had a grass cutting business since I was 10 years old. 39__ 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 __40__ 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 _41__. Young people should __42_ that their teenage years are a great time to begin saving.
If you have a job at high school, you _43__ have fun with some of the money. But you should also save some __44__ it will grow. Then you can begin planning for your future. When you spend money, you not only lose that money, __45__ lose the interest you could have earned by saving it.
After high school, college is __46__, with expenses such as food and rent. If you can  __47__ a good percentage of the money you earn as a teen, going to college and buying a house will be much easier. If you are in your thirties without any savings, you will always have to __48__.
Later in life it can be hard to start saving _49__ general  cost of living is more expensive and you may only have enough to pay your _50__. If you want to buy a house and have a family, you need money to start with, which __51__ saving.
Many say money cannot make you happy, and this is true. But money can help you to lead a __52__ life.
Saving early will mean you will have to work for fewer years when you are older. It will also __53___ you to spend time doing the things that you want to do.__54__, it will mean you can live the way you want to without  55__.
小题1:
A.needsB.likesC.arrangesD.expects
小题2:
A.knowledgeB.experienceC.formD.sense
小题3:
A.foolishB.fundamentalC.luckyD.grateful
小题4:
A.WithB.OfC.InD.From
小题5:
A.divide upB.build upC.keep upD.make up
小题6:
A.breakB.runC.makeD.grow
小题7:
A.recognizeB.realizeC.researchD.doubt
小题8:
A.mustB.dareC.shouldD.may
小题9:
A.so thatB.in caseC.in thatD.but for
小题10:
A.butB.andC.alsoD.or
小题11:
A.expensiveB.cheapC.boringD.bitter
小题12:
A.hold outB.hold upC.hold ontoD.hold back
小题13:
A.surviveB.struggleC.tolerateD.die
小题14:
A.ifB.as long asC.whileD.since
小题15:
A.billsB.taxesC.attentionD.consequences
小题16:
A.results fromB.gets fromC.comes fromD.escapes from
小题17:
A.happyB.simpleC.miserableD.secure
小题18:
A.forbidB.allowC.AdviseD.request
小题19:
A.In additionB.Above allC.On the contraryD.Believe it or not
小题20:
A.consultingB.worryingC.restingD.thinking
题型:单项选择题 A1/A2型题

根据《外管法》,外国人无力缴纳罚款时,应予以放行。

题型:单项选择题 A1/A2型题

马尾神经根病变可出现()

A.根性疼痛

B.感觉障碍位于会阴部、股部或小腿

C.下肢可有周围性瘫痪

D.括约肌障碍常不明显

E.拉赛格征阳性

题型:单项选择题 A1/A2型题

初步可行性研究阶段对建设投资和生产成本的估算一般采用______估算。

A.系数估算法
B.比例估算法
C.单位生产能力估算法
D.指标估算法

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