56. Trace fossils can’t be formed from the ______ of some kind of animals.

A. footprints

B. nests

C. eggs

D. bodies

57. ______ brings the rock-like minerals into the bone.

A. Sunlight

B. Earth

C. Water

D. Air

58. According to the last paragraph, the fossil is as ______ as the original object.

A. heavy

B. big

C. old

D. clean

59. We can know that ______ from the passage.

A. scientists think that the fossils may have a history of 100 centuries.

B. people haven’t found any fossil on the continent of Africa.

C. we can find some real bones in the fossils of a bone.

D. there are many kinds of sediment in the fossils.

60. This passage most probably comes from ______.

A. an advertisement

B. a medical magazine

C. a science book

D. a notice

A

What would it be like to be over 100 meters in the air？Besides taking a plane，there is a more interesting and relaxing way to experience it：having a ride on a Ferris wheel （摩天轮）．

London Eye，England

With a height of about 135 meters，the London Eye is the tallest Ferris wheel in Europe．Th ere are 32 cars （轿厢）and each can carry 25 people at most．On the ride，people can get a view of London Tower．Buckingham Palace and Big Ben．One turn takes 30 minutes．

High Roller US

It is the world’s tallest Ferris wheel．It is 168 meters tall．High Roller first opened in Las Vegas on March 31st，2014．A ride takes 30 minutes．You can also enjoy videos and music during the ride．

Tianjin Eye，China

Tianjin Eye is a 120﹣meter﹣tall Ferris wheel．It lies on a bridge over the Haihe River in Tianjin，China．It is t he only Ferris wheel in the world to stand on a bridge．The wheel has 48 cars．Each can take eight passengers．People can get good views of the city during the 30﹣minute trip．

Roue decision Paris France

Roue decision Paris looks like all other Ferris wheels．It is about 60 meters tall and has 42 cars．But people can move it．Because of this，the big wheel has been to many other places like Manchester in the UK and Bangkok in Thailand．

51．There are cars in London Eye．

A.25

B.30

C.32

D.135

52．The tallest Ferris wheel in the world is in．

A．Paris B．Tianjin C．Las Vegas D．London

53．High Roller is meters taller than Tianjin Eye．

A.33

B.48

C.60

D.108

54．is the only one to lie on a bridge．