A white cane (手杖) is a tool that helps blind people walk safely on their own. It did not become widely used until the 1920s. In 1921, an Englishman painted his cane white so that drivers would see him easily. ____1____ Today, white canes continue to provide blind people with a safer way to live their lives.

What can we do if we meet someone with a white cane? ____2____

The first rule is to be respectful. Many white cane users can move around by themselves and may not need help. ____3____ If they accept your help, follow what they say carefully instead of guessing what they need. Usually, it is best to offer your arms for them to hold onto instead of pulling their arms.

____4____ The cane is an important tool for safety. Taking it away can cause confusion (混乱). Even if the cane is put down, don’t move it without permission (许可). Its user needs to know exactly where it is to find it again.

It is wonderful that people are willing to help white cane users. ____5____ Take a moment to learn how to treat them with respect. We can create a world where they can walk safely and proudly.

A. Here are some rules to follow.

B. However, not everyone knows how to do so properly.

C. So, always ask if they need help before giving them a hand.

D. Another rule is never to touch a white cane while it is in use.

E. His idea spread and led to similar products in other countries.

1.1.

A

B

C

D

解析：选E。前句讲这个人的做法，E 句承接，说明这个做法带来的影响，顺承历史发展，引出后文如今白手杖的使用。

2.2.

A

B

C

D

解析：选A。设问之后总起，引出下文多条 rules，总起句。

3.3.

A

B

C

D

解析：选C。so 表因果；既然对方可能不需要帮助，因此要先询问。

4.4.

A

B

C

D

解析：选D。Another rule 和上文 first rule 形成并列结构，开启第二条规则。

5.5.

A

B

C

D

解析：选B。however 转折逻辑；好心是好事，但方法未必正确，引出下文学习正确方式。