股利收益率又称获利率，是指股份公司以现金形式派发的股息与股票市场价格的比率。（）

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.

关于腓骨肌萎缩症下列哪一项错误（）.

A.弓形足

B.鹤腿

C.无感觉障碍

D.锥体束征阴性

E.神经源性萎缩

党的领导主要是政治领导。( )

出现整流器紧急故障的原因可能是交流停电，系统进入（）。