氯霉素可引起（）。 A.灰婴综合征 B.新生儿溶血 C.高胆红素血症 D.海豹畸胎

短语、句型 

1. 与……相连___________ 2. 被困在……/卡在____________ 3. 马上/一会儿___________  

4.在高峰期__________ 5.正在建设之中_____________6.关上…. / 断掉（电源）___________

7.保持冷静________________8. 没门儿_________9. 为某人提供某物_______________

10. 使….不进入_______________11. 方便做某事_________________________

12. They are usually red , and they __________(窗玻璃上陈列着每公里的价格标签)

13. You should check the cab has a business permit, and _________________( 一定要索取发票)

14. Public transport provides ______________(廉价周游北京的方式)

15. However , there is also a night bus service , _______________( 由编号在200到300之间的提供的)

16. Minibuses with seats for 12 passengers _______________( 提供了一种可以代替昂贵的出租汽车和拥挤的大型公交车的替代物) in some area.

Hello, everyone! My name is Betty. I’m thirteen years old. I’m in Class Two, Grade Seven. This is our school.

There are 800 students in my school. There are twenty-four classrooms in our school. In our school we have a big library. It’s behind our classrooms. There are many books in it. We can read them and learn a lot from them. The science building is near the library. There are some science labs in it. The playground is between the science building and the dining hall. We often have our lunch in the dinning hall. It’s our playground. After school, we can play football on the playground. Some of us love running. We can also run there.

小题1:There are _____ classrooms in Betty’s school?

A．12

B．14

C．24

D．34小题2:Where is the library?

A．Behind the classrooms

B．In front of the classrooms

C．Near the classrooms

D．On the left of the classrooms小题3:There are some _______ in the science building.

A．science labs

B．computer rooms

C．classrooms

D．teacher’s offices小题4:We have ______ in the dining hall.

A．breakfast

B．lunch

C．dinner

D．supper小题5:We can  ______ on the playground.

A．play basketball

B．play football

C．play table tennis

D．swim

男性，50岁。体检发现左上肺2cm×3cm球形阴影，无发热、咳嗽、咳痰。既往吸烟10余年，每天10支。去年体检双肺未见异常。以下哪项检查最具有确诊价值（）

A.痰找结核菌

B.痰找肿瘤细胞

C.PPD试验

D.支气管肺泡灌洗

E.纤支镜经支气管肺活检

某产品销售毛利率60%，与此产品相关指标的正确答案（）。

A、成本率40%

B、成本毛利率150%

C、成本率140%

D、成本毛利率40%

（）的英文名称是Audi。