下列关于雅典民主政治存在着缺陷的叙述，正确的是 ①真正能够享受到民主的人只是少数

Look at the picture on the right. What is it? Yeah, it’s a special robot car，ROPITS. Japan made it this year. It’s a new kind of car. The car can drive itself. It is very easy for people to use it.

ROPITS is short for Robot for Personal Intelligent Transport System (个人智能交通系统机器人). ROPITS has only one seat. The Japanese made it for old and disabled (残疾的) people in Japan.

What makes the ROPITS special? One can ask it to pick him or her up from a computer or a smart-phone. After he or she gets in the car and tells the ROPITS where to go, it will begin to drive itself and let the driver enjoy the ride.

The ROPITS will not have traffic accidents (事故) because it drives very slowly, not more than 7 kilometers an hour.

小题1:This passage is about a new kind of     .

A．car

B．bicycle

C．smart-phone

D．computer小题2:The ROPITS is special because     .

A．it is only for people in Japan

B．it can drive itself all the way

C．it can drive fast on the road

D．it is for the old and disabled people小题3: From the passage we know that     .

A．ROPITS is big and smart

B．people must learn to drive ROPITS

C．only old and disabled people can use ROPITS

D．ROPITS is helpful for the old and the disabled people

逆行肾盂造影选用（）

A.亚甲蓝

B.胆影葡胺

C.碘化钠

D.碘油

E.碘番酸

细菌内毒素的化学成分 （）

A.外膜

B.荚膜

C.芽胞

D.菌毛

E.脂多糖

与SQL语句“SELECT 学号,姓名 FROM student WHERE 成绩 BETWEEN 60 AND 100”等价的是______。

A．SELECT 学号,姓名 FROM student WHERE 成绩＜=100.AN成绩＞＝60

B．SELECT 学号,姓名 FROM student WHERE 成绩＜100.AN成绩＞60

C．SELECT 学号,姓名 FROM student WHERE 成绩＞=100.AN成绩＜=60

D．SELECT 学号,姓名 FROM student WHERE 成绩＞100.AN成绩＜60

古代诗文中，许多名句或寄寓理想或蕴含哲理而流传千古。譬如：屈原《离骚》“日月忽其不淹兮，                 ”；王安石《游褒禅山记》“夫夷以近，则游者众，险以远，则至者少。              ，常在于险远”。