检定高度卡尺的室内温度应为（）A、（15±5）℃ B、（20±5）℃ C、（25±5）℃

为横线上选择一组合适的词语[ ]

（1）大熊猫的听觉非常________，受到惊扰时，就非常灵活地攀上高高的树梢，躲藏起来。

（2）来自世界各国700多家新闻媒体的8000多名记者采访________了这历史性的一幕。

（3）每次参加灭火抢险战斗，程培斌总是________、不辱使命，置个人安危于度外，临危不惧，英勇顽强。

（4）我们这里只有________一名画家，________我们大家都应该是画家，每人添一笔，把长城站画得更美丽。

A．灵敏　报道　冲锋在前　虽然　但

B．敏捷　报到　冲锋在前　既然　就

C．敏捷　报道　首当其冲　虽然　但　

D．灵敏　报到　首当其冲　既然　就

C

Conjoined twins lead separate but active lives.

Lori and Reba have never been alone and they want to keep it that way.

The 40-year-old conjoined twins in Pennsylvania,US,have read about others locked together by an accident of birth who have been medically separated.But they insist only death can part them.

“We’ve never imagined a life divided,”Lori said.

Lori and Reba are joined together at the side of their heads,facing in opposite directions.Their blood supply is partly linked,but each has a separate brain.

Reba suffers from a disease which has left her completely dependent on her sister.

Lori wheels her everywhere they go in different professional directions.Lori worked in a laundry room at a hospital for six years before giving that up to allow Reba to try to become a country singer.

Her first song is called “The Fear of Being Alone”,which was inspired by Reba and Lori’s desire for togetherness.

Reba’s career has taken her across the United States,Europe and parts of Asia.

While the twins receive some money from the government,the earning from Reba’s concerts go to AIDS and cancer charities(慈善机构).

The sisters have set goals for themselves.Reba looks forward to a successful career as a country singer,while Lori says she hopes to get married and have children.Lori said,”So when it comes,it comes.Meanwhile,I live wonderfully from day to day.”

46.When Lori said “We’ve never imagined a life divided”,she meant that      .

A.they don’t wish to be made separate        

B.they think their case is beyond medical help

C.independent life would be too good to think of 

D.they would die once separated

47.By leading separate lives,the topic means that       .

A.either of the two can look after herself   B.the twins do different things

C.they face in opposite directions         D.they are no longer conjoined now

48.When Reba gives performances as a country singer,Lori       .

A.works in a hospital                   B.continues her college education

C.brings up her children      D.looks after her sister

49.The twins lead active lives because they       .

A.are tired of staying at home doing nothing 

B.need more money  

C.want to prove themselves as useful citizens

D.have to earn their own bread

50.From the last paragraph we can understand that Lori       .

A.thinks it’s too late for her to have children 

B.is sure she’ll get married and have children

C.prefers to have things go naturally     

D.would rather not change her way of life

目前生产上应用最普遍的烟叶回潮方法是（）

A、热风循环烤房回潮

B、潮房回潮

C、人工回潮

D、借露回潮

软件设计中划分程序模块通常遵循的原则是要使各模块间的耦合性尽可能成为 ______。

使用NBDP时，应将发射机工作方式置（）。

A、F1B

B、H2A

C、A1A

D、J3E