伤寒发病2周微生物学检查分离培养时常采用的标本是（） A.血液 B.骨髓 C.尿 D
题型：单项选择题
问题：
伤寒发病2周微生物学检查分离培养时常采用的标本是（）
A.血液
B.骨髓
C.尿
D.便
E.十二指肠液
题型：单项选择题
New rules for middle school students came out in March.Middle schools are going to use a new way to decide who the top students are.The best students won't only have high marks(分数).They will also be kids who don't dye(染)their hair,smoke or drink.The following are some of the new rules.
Tell the truth.Have you ever copied someone else's work in an exam? Don't do it again!That's not something an honest(诚实的)student should do.If you have played computer games for two hours in your room don't tell your parents you have done homework.
Do more at school.Good students love animals and care for other people.April is Bird Loving Month in China.Is your school doing anything to celebrate(庆祝)? You should join! Be friendly to the people you are with,too.Try to think of others,not only yourself.
Be open to new ideas.Have you ever thought that people could live on the moon? Maybe you'll discover(发现)Earth Ⅱsomeday.Everyone's ideas are important.
Use the Internet carefully.The Internet can be very useful for your studies.But s
omething on the Internet aren't for kids,so try to look at web pages(网页)that are good for you.You can use the web for fun or homework.
1.When did the new rules come out?
A.In April.
B.In March.
C.In June.
D.In May.
2.Why should kids be open to new ideas?
A.Because new ideas make life better for everyone.
B.Everyone's ideas are important.
C.Try to think of others,not only yourself.
D.Maybe discover Earth Ⅱ someday.
3.If you are top students,you shouldn't __________ from this article.
A.have high marks
B.use the Internet
C.dye your hair
D.love animals
4.What should kids do when they use the Internet?
A.Play computer games for a long time.
B.Try to look at web pages that are good for kids.
C.Talk with people we don't know on computer.
D.Watch unhealthy(不健康的)movies on computer.
5.The article tells us how to __________.
A.be top students
B.do more at school
C.tell the truth
D.use the Internet