The Egyptian pyramids 【小题1】 built around 2560 B.C. Studies show that it 【小题2】 100 000 people over 20 years to complete it. The Great Pyramid was considered a unique building in the 19th century A.D. At that time, it was still the tallest building in the world. According 【小题3】 scientific research, the ancient King, Khufu, ordered his men to build the Great Pyramid stone by stone. The biggest stone 【小题4】 as much as 15 tons. Each stone was fixed so well, though the ancient workers didn’t have any modern tools. The Great Pyramid has four 【小题5】 and each side is 230.4 meters long and 146.5 meters high. At that time, there were no modern machines or equipment, so how did the ancient Egyptians build the Great Pyramid?

Many people are in danger because of walking on escalators every year. So Saitama, a place in Japan, 【小题1】 (make) a special rule last year. It can’t let people jump up and 【小题2】on escalators.

From October 1, 2021, all escalator riders in Saitama must 【小题3】 (stand) well while the escalators are running. 【小题4】 new rule helps people keep away from danger.

People living in different places of Japan use escalators 【小题5】 (different). In some places like Osaka, people stand on the right side and walk on the left. But in other places 【小题6】Tokyo, people walk on the right side and escalator riders stand on the left. When a person wants to walk on escalators in Japan, it may put 【小题7】 or her in danger.

The new rule in Saitamatell all the 【小题8】(host) of escalators to put up signs (标识) near escalators. The signs tell people about the rule. The escalators will have to stop 【小题9】people don’t follow the rule. Saitama is the first place in Japan to make a rule to bring people good 【小题10】 (lucky).

Welcome 【小题1】   the City Zoo! There are many animals in the zoo. Let's 【小题2】(see)the koalas first. Koalas are 【小题3】Australia. They are quiet, friendly and cute. Children like them very much. The kangaroos are from Australia, too. They are quiet, 【小题4】   they are not friendly. The giraffes come from Africa. Their necks   【小题5】 very long. They like 【小题6】(eat)leaves. The lions are also from Africa. They are 【小题7】(interest), but a little scary. Many people don't like 【小题8】(they). We also have pandas. They are from 【小题9】(Chinese). They are friendly, but they are very shy. So please be quiet. You can also see many other animals in the zoo. 【小题10】(have)fun here!