操作系统的引导是一个从程序的顺序执行到形成一个支持程序并发执行环境的过程。( )

The twenty-seventh of July, 2002 ,was the worst day in Janek Mela’s life. The Polish boy had an accident and lost half his left leg and half his right arm. 小题1:    and was very sad.

Then his most important journey began. Marek Kaminski, a famous Polish explorer, visited Janek and asked him to go to the North and South Poles （南北极）with him. Janek gave the best answer of his life.

Janek prepared for the trips for a few months. First, he learned to use his artificial (man-made) leg 小题2:.

Their first expedition was to the North Pole. Janek and the team had to be careful. There were animals, dangerous ice and bad weather. 小题3:, but things got better. They got to the pole on April 24th, 2004. Janek was 15.

In December, the team started the expedition to the South Pole. The weather was worse this time.小题4:. They finally arrived at the South Pole on December 31st, 2004.

Janek is the youngest explorer to go to the North and South Poles because he was brave and said “Yes!”

_____ the king cobra looks scary,  it is not as _____  as the golden poison dart frog.[ ]

A. But,  dangerous

B. Although,  poisonous

C. Although,  danger

防止泄漏必须根据（）、（）、（）、（）状态选择适当的方法。

下列关于中期财务报表的说法，正确的有（）。

A.其内容为资产负债表、利润表和现金流量表

B.中期资产负债表、利润表和现金流量表与年度财务报表相一致

C.中期财务报表中的附注披露可适当简略

D.中期财务报表的编报要求揭示完整、反映全面

E.月报和季报的编报要求简明扼要、反映及时

短波通信中，当船舶处于静区时，岸台常采用（）方法试图与船台建立通信。

A.、降低频率

B.、升高频率

C.、降低功率

D、A+C