关于元素周期表的下列叙述，错误的是[ ] A．元素周期表揭示了化学元素间的内在联

Smoking is a very bad habit. First of all, Cigarettes are expensive. Smokers have to   小题1:   a lot of money buying them. That is a   小题2:  (浪费) of money. Smoking is bad for smokers’ h 小题3: . It may be responsible for many d  小题4:  . Even worse, it is harmful to people 小题5:   them. It is said that smoking is one of the ways to   (引起) cancer. Second, there can be fires  小题6:   can result in a great loss of life and property because of a smoker’s (粗心). 小题7:   , we are teenagers and have no income. We have no right to do that. It will be even worse if we f 小题8: into bad habits.

5岁患儿因诊断全身性结核病。经全面规律抗结核治疗3个月后出现肝功能严重损害，黄疸，肝脏肋下5cm。

最佳处理方案是（）

A.继续维持抗结核不变，加强保肝治疗

B.停用异烟肼、利福平调整抗结核方案加用保肝药

C.停用吡嗪酰胺或乙胺丁醇，改用异烟肼+利福平+保肝药物

D.停用全部抗结核药物，加上泼尼松和保肝药

E.继续抗结核方案不变，密切随时观察

具有活血止痛，行气解郁，凉血清心，利胆退黄功效的药物是（）

A.丹参

B.郁金

C.川芎

D.玄参

E.益母草

机组正常运行中，各瓦振动应≤（）mm。

A、0.01

B、0.03

C、0.05

D、0.08

有数据库文件DD．dbc，打开数据库DD的命令是______。

A．OPENDD

B．USEDD

C．OPENDATABASEDD

D．USEDATABASEDD