对卖方来说承担风险较大的进口设备交货类别是( )。A．目的地交货类 B．船上交货类

滤线栅是由许多薄的铅条和易透过X线的低密度物质作为充填物，交替排列组成的。在X线摄影中使X线的中心线对准滤线栅板中心，原射线投射方向与滤线栅的铅条排列间隙在同一方向上，能通过铅条间隙而到达胶片产生影像。由于被照体产生的散射线是多中心、多方向的，其中大部分散射线被铅条所吸收，只有一小部分通过。滤线栅的指标：
(1)栅比(R)：滤线栅铅条高度与填充物幅度的比值为栅比。
(2)栅密度(n):n表示在滤线栅表面上单位距离(1cm)内，铅条与其间距形成的线对数，常用线/cm表示。

下列物质可用做滤线栅板填充物的是

A．钨

B．铝

C．锌

D．铜

E．铁

近几年，国家发行凭证式国债屡次出现排队抢购的场面，为保护广大居民投资国债的热情，财政部，中国人民银行对各承销机构反复强调，禁止各承销机构预约销售本期国债，保证柜台的销售数量，并向个人投资者倾斜。回答下列各题。

小题1:我国具有信用度高、代用率高、收益高和流通性强特点的债券是           

A．金融债券

B．公司债券

C．政府债券

D．企业债券

1,3,5

小题2:下列关于债券与股票的说法中，正确的是                              

①它们都是有价证券，都是能获得一定收益的金融资产

②都是承诺在一定时期内支付约定利息并到期偿还本金 

③债券以定期收取利息为条件，其安全性比股票大

④股票具有明确的付息期限，其收益比债券大  

A．①②

B．②③

C．②④

D．①③

完形填空。

I devote myself to music because of my grandmother. My mom and I lived with grandparents from the time I was two until I was eight. And even then, I was at their house before and after school every day while my mother was   1   .      Grandma loved music. It was she that first   2   me to Elvis Presley as a very young child, and once I heard his music, I was truly in   3   with it. Most five-year-olds ask for   4   for birthdays, but I wanted Elvis' albums. I would play them non-stop and   5   to the music in my grandma's family room though my movements didn't look   6   .     Grandma played the piano and   7   me to sing "America the Beautiful" and "Somewhere over the Rainbow". I   8   started playing music on the piano, and soon Grandma was paying for me to take piano lessons from a lady living in the   9   . I would come home from   10   and walk there for my lesson. I   11   took about nine months of lessons, but it was enough to give me a(n)    12  and allow me to continue to teach myself.      Last month when I came home to visit Grandma in the hospital, I brought along my guitar with me. She was   13   , but the music seemed to   14   her soul. She had me sing some songs and when I started to sing "Somewhere over the Rainbow", her weakened voice   15   in with mine for a few lines. That experience was one of the most   16   of my lifetime and one I will certainly cherish forever. I told her of my music career and she was very   17   and said, "That's wonderful!" I   18 . to play for her throughout the week I was home.      My grandma   19   two days ago. In my opinion, part of her will live on through every   20   I write or sing in my life.

( )1.  A. at home   ( )2.  A. sent     ( )3.  A. debate      ( )4.  A. music      ( )5.  A. wave        ( )6.  A. funny         ( )7.  A. forced      ( )8.  A. generally     ( )9.  A. hotel      ( )10. A. school      ( )11. A. exactly   ( )12. A. explanation   ( )13. A. in deep sorrow ( )14. A. comfort   ( )15. A. joined      ( )16. A. genuine     ( )17. A. energetic   ( )18. A. refused   ( )19. A. passed away   ( )20. A. song         B. at school       B. left        B. love        B. benefit      B. sleep      B. balanced       B. prepared   B. finally        B. apartment   B. hospital      B. only      B. celebration     B. in great pain   B. spot      B. poured        B. impressive   B. calm      B. expected   B. died away     B. poem         C. at work         C. remembered   C. agreement   C. gifts   C. dance      C. good           C. enabled   C. fortunately   C. neighborhood   C. street   C. completely   C. translation     C. in high spirits C. attract   C. mixed      C. puzzling   C. exhausted   C. continued     C. passed by     C. article       D. in hospital         D. introduced         D. doubt               D. toys               D. play               D. interesting         D. taught             D. suddenly           D. hospital           D. office             D. seldom             D. foundation         D. in big trouble     D. terrify             D. combined           D. unbelievable       D. pleased             D. pretended           D. died out           D. composition

中国战略地理的特点是：既是一个陆上大国，又是一个（），是一个陆海兼备的大国。

A.天空大国

B.太空大国

C.海洋大国

D.信息大国

《食品生产许可管理办法》所称食品是指《中华人民共和国食品安全法》第九十九条等规定的食品，但不包括食用农产品、声称具有保健功能的食品。