在500KV电气设备上进行带电作业时，进入电厂的方法主要有哪几种？

May is National Bike Month. a month-long event trying to get couch potatoes outside, cars off the roads and subway trains empty. It encourages everyone to get back onto their bicycles to enjoy riding a bike an often as they can during the month (and hopefully longer). May in the beginning summer and warm weather, so why not start right away and enjoy sunshine!

Ride Out to Protect the Environment

Bike month helps everyone make their efforts to improve theenvironment. If you’rebiking to school, you are helping bring down the air pollution. It is the most common form of pollution andby getting your family to stop driving and start riding a bike, you can do your part in improving the air quality.

Count Down Those Calories

Cycling isn’t just good for theenvironment; it’s good for you too. Riding a bicycle burns calories and helps keep you healthy. It not only improves your physical health, but also your mental state of mind. It can really help you be a happier person.

Share the Sunny Summer

So get into that shed, and take out your old bike. Paint the bike blue. Put on a nice coat. Load up a number of songs. Invite a group of friends to get on the bikes and ride this May! Be a fun-in- the-sun child! Enjoy yourself!

小题1:The second paragraph mainly tells us that riding bicycles       .

A．improves our physical health

B．does good to the environment

C．changes our mental slates of mind

D．helps us enjoy the sunny spring小题2:You’re likely to read the article in the        section of a magazine.

A．history

B．geography

C．sports

D．food小题3:The writer writes the article to       .

A．advise people to lose more weight

B．ask people to repair and paint the old bikes

C．preventpeople from staying at home watching TV

D．makepeople realize the advantages of riding bicycles

患者男，44岁，因“活动后及饱食后胸闷3年”来诊。胸闷症状休息后可缓解。患者有家族性高脂血症。查体：两肺呼吸音清，无干、湿性啰音；心脏查体：窦性心律，HR75次/min，未闻及杂音。

诊断颈部血管杂音首选的检查手段是（）

A.CT

B.胸部X线片

C.血管超声

D.磁共振成像

E.血管造影

F.24h动态心电监护

夫惊以其忽然而遇之，使习见习闻则不惊矣（）|导之以其所便，开之以其所苦（） |

A.义理开导法

B.以情志相胜法

C.习见习闻法

D.消愁怡悦法

E.气功引导法

下列各项有助于鼻部脑膜脑膨出诊断，但哪项除外（）。

A.鼻颏位X线摄片

B.CT检查

C.肿块穿刺

D.MRI检查

E.造影检查

2013年9月．国务院发布《关于严格控制新设行政许可的通知》。对严格控制新设行政许可作出明确要求、提出具体措施。评论认为，严控新设行政许可表明国务院简政放权的坚定决心。简政放权的哲学依据有（）

①生产力决定生产关系

②生产关系一定要适合生产力状况

③经济基础决定上层建筑

④上层建筑一定要适合经济基础状况

A.①②

B.②③

C.①④

D.③④