Who is lazier(懒惰的), the tall man or the short man?

　　Starting on the bottom row, make your way to the top of the pyramid(金字塔) by collecting exactly 100 points. You can only move to a number directly above to the left or right.

“I guarantee(保证),” says the salesman in the pet shop, “that this purple(紫色的) parrot(鹦鹉) will repeat every word it hears.” A customer buys the bird, but he finds that the parrot won't speak a single word. Nevertheless(然而), what the salesman says is true.

How could this be?

在下列方格内填入适当的字母，使每竖行都成为已学过的单词，并能分别填入相应的句子中

1．Are you ________ this afternoon?

2．Kate's ruler is longer ________ Ma Lili's.

3．Good ________!

4．You ________ do your homework first.

5．The mooncakes are ________, like the moon.

6．On the Mid-autumn Day, people often stay in the ________ air at night.

7．September is the ________ month of the year.

8．The nicest mooncakes ________ from Guangdong.

9．The farmers are all busy in ________.

10．We have many different ________ of books.

11．Those mooncakes are very ________.

Shanghai is larger than any city in China.在中国上海是最大的城市。

This is my the best book.这是我最好的书。

　　You are waiting in a long line to get on a roller coaster(过山车). To make the time go faster you count the people ahead of you and find that you are the 38th in line. Then you look behind and feel pretty lucky because you count that you are the 56th from the end.

How many people are there in line?

Hints(提示)：

1．Use smaller numbers in the problem a couple of times to see if you can find a pattern(列式).

2．Drawing a diagram(图表) when using smaller numbers can help you find the pattern.

Why is the pig always eating?猪为什么没完没了地吃？

Why are mules helpless in dancing?骡子为什么在跳舞方面一塌糊涂？

Why are dogs afraid to sunbathe?狗为什么害怕日光浴？