若某电压有效值为220V，则此电压的最大值为380V。

世界第一经济强国是[ ]

A．美国    

B．俄罗斯  

C．英国    

D．德国

第Ⅱ卷 (共三节，满分45分)

第一节：（共5小题；每小题2分，满分10分）

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。注意请将正确答案写在二卷答题纸相应位置上。

Body language is the quiet, secret and most powerful language of all. It is said that our body movements communicate about 50% of what we really mean while words themselves only express 7%. So, while your mouth is closed, just what is your body saying…

Arms.  71 If you keep your arms to the sides of your body or behind your back, this suggests you are not afraid of taking on whatever comes your way.  72 If someone upsets you, just cross your arms to show you’re unhappy.

Head. When you want to appear confident, keep your head level. If you are monitor in class, you can take on this position when you want your words to be taken seriously.   73 

Legs. Your legs tend to move around a lot more than normal when you are nervous or telling lies. If you are at interviews, try to keep them still.

Posture. A good posture makes you feel better about yourself.  74 This makes breathing more difficult, which in turn can make you feel nervous or uncomfortable.

Mouth. When you are thinking, you often purse (皱拢) your lips. You might also use this position to hold back all angry comment you don’t wish to show.    

  75  .

A．If you are feeling down, you normally don’t sit straight, with your shoulders inwards.

B．If you are pleased, you usually open your eyes wide and people can notice this.

C．Outgoing people generally use their arms with big movements, while quieter people keep them close to their bodies.

D．How you hold your arms shows how open and receptive you are to people you meet.E.However, it will probably still be noticed, and people will know you’re not pleased.

F.However, to be friendly in listening or speaking, you must move your head a little to one side.

G.Don’t say too much when you’re happy.

随着化学工业的发展，能源的种类也变得多样化起来．最近吉林市的小英家就使用上了天然气做饭，天然气的主要成分是（　　）

A．CO

B．CO₂

C．H₂

D．CH₄

患者男性，36岁，患风湿性心脏病二尖瓣关闭不全10年。2天前"感冒"后发热、咽痛伴少许黄痰，遂去单位医务室静脉注射抗生素治疗，输液1小时后突然出现呼吸困难，咳粉红色泡沫痰

病情突然加重的诱因是（）

A.输液过快

B.抗生素过敏

C.风湿活动

D.上呼吸道感染

E.细菌性心内膜炎

某单位为了企业解困经当地政府批准在无偿划拨的土地上建设网点房3000m²用于经营，2002年12月31日开始使用，6个月后将其中的2000m²出租，1000m²出售。并将出租部分向银行抵押贷款280万元，贷款期限2年，抵押率70%。2005年6月30日由于未按期偿还贷款，拟处分房地产。

对于出售部分转让评估时主要审查的证件是( )。

A．建设工程规划许可证、建设用地规划许可证、开工许可证

B．房屋所有权证、原土地使用证

C．土地使用权出让证件、房屋所有权证

D．房屋销售许可证、土地使用权出让证件