问题 填空题

某登山爱好者在攀登珠穆朗玛峰的过程中,发现他携带的手表表面玻璃发生了爆裂。这种手表是密封的,出厂时给出的参数为:27℃时表内气体压强为1×105Pa;在内外压强差超过6×104Pa时,手表表面玻璃可能爆裂。已知当时手表处的气温为-13℃,则手表表面玻璃爆裂时表内气体压强的大小为__________Pa;已知外界大气压强随高度变化而变化,高度每上升12m,大气压强降低133Pa。设海平面大气压为1×105Pa,则登山运动员此时的海拔高度约为_________m。

答案

8.7×104,6586

多项选择题
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Perhaps the most wonderful building put up in the 19th century was the Crystal Palace(水晶宫)which was built in Hyde Park for the Great Exhibition of 1851. The Crystal Palace was different from all the other buildings in the world, for it was made of iron and glass. It was one of the biggest buildings of all the time and a lot of people from many countries came to see it. Plenty of goods were sent to the exhibition from all parts of the world. There was also a great deal of machinery on show. Though in those days, traveling was not as easy as it is today, steamboats carried thousands of visitors across the Channel from Europe. On arriving in England, they were taken to the Crystal Palace by train. There were six million visitors in all, and the money from the exhibition was used to build museums and colleges. Later, the Crystal Palace was moved to the South London. It remained one of the most famous buildings in the world until it was burnt down in 1936.

小题1:The Crystal Palace was built up_________.

A.in the 1950s

B.in the 1990s

C.shortly before 1851

D.after 1851小题2: People from many countries came to the Crystal Palace mainly to______.

A.buy goods

B.visit an exhibition

C.travel

D.enjoy the Crystal Palace itself小题3: What happened to the Crystal Palace in 1936?

A.It caught a terrible fire.

B.It disappeared suddenly.

C.It was moved away to the south of London

D.It was rebuilt.小题4:The writer__________.

A.thought the Crystal Palace very useful

B.thought highly of the Crystal Palace.

C.wanted the Crystal Palace to be rebuilt

D.was one of the visitors who had visited the Crystal Palace.小题5: The Crystal Palace was famous to all because__________.

A.it was the biggest building in the world then.

B.it was made of iron and glass.

C.so many visitors had been there.

D.it was burnt down at last.