Victoria Villata

29．Why does Mrs.Villata need a new Social Security Card?

A．She is moving. B．She lost the old one.

C．She has just gotten married. D．She doesn't remember her Social Security Number.

30．Why does Mrs.Villata give the Social Security Administration her date of birth?

A．She wants them to know how old she is.

B．She is afraid they may have lost her Social security Card.

C．She thinks it will help them track down her Social Security Number.

D．She thinks that the older she is，the more social Security she will get.

31．Which part of Victoria Villata's letter is LEAST important to the Social Security administration?

A．The fact that she has changed her name.

B．The fact that her card should be sent to a new address.

C．The fact that she needs a replacement of Social Security Card.

D．The fact that she lost her wallet while pulling a tissue out of her pocket.

Bamboo is one of the nature's most surprising plants. Many people call this plant a tree，but it is a kind of grass.

Like other kinds of grass，a bamboo plant may be cut very low to the ground，but it will grow back very quickly. A Japanese scientist recorded one bamboo plant that grew almost 1.5 meters in 24 hours！Bamboo grows almost everywhere in the world except Europe. There are more than 1,000 kinds of bamboo that grow around the world on both mountains and plains(平原)．

Not all bamboo looks the same. Some bamboo plants are very thin.They may only grow to be a few centimeters wide while_others_may_grow_to_more_than_30_centimeters_across.This plant also comes in different colors，from yellow to black to green.

Many Asian countries have been using bamboo for hundreds of years. They often use bamboo for building new buildings. As a matter of fact，the cables(绳索) that hold up the hanging bridge across the Min River in Sichuan are made of bamboo. The bridge