Kevin Edison lives with his parents and grandparents in New York City. Kevin’s grandfather has a disease that is common in old people. ____1____ Sometimes they get lost. Kevin’s grandfather kept getting out of bed at night and walking around. One night, he left the house. ____2____

Kevin wanted to do something to help his grandfather. What was his idea? ____3____ Small discs are put in the bottom of a normal pair of socks. When the person steps on the floor, the discs send a message to a smartphone and the phone rings. Kevin tested the socks on his grandfather and they worked! ____4____ He wears the socks and they know when he gets out of bed.

____5____ He won a big prize for his invention. Now his “smart socks” are helping other people like his grandfather to stay safe.

A. Kevin’s parents are both volunteers.

B. A wonderful invention called Safe Wander.

C. People with this illness often forget things.

D. Kevin was only 15 when he made Safe Wander.

E. Now his family don’t have to watch grandfather all night.

F. His family were worried because they didn’t know where he was.

1.1.

A

B

C

D

解析：选C。解析：前一句说爷爷得了一种老年常见病，后句 “Sometimes they get lost（有时他们会迷路）”。C 选项 “患有这种病的人经常忘事” 承接上文介绍病症，引出后文走失的情况。

2.2,

A

B

C

D

解析：选F。解析：前文提到一天夜里爷爷走出家门。F“家人很担心，不知道他去了哪里”，顺承这件事带来的后果。

3.3.

A

B

C

D

解析：选B。解析：问句 “What was his idea?（他的想法是什么？）”，后文开始介绍发明的原理。B “一项名为 Safe Wander 的绝妙发明” 回答想法是什么，引出发明。

4.4.

A

B

C

D

解析：选E。解析：前文说袜子测试成功。E “现在家人不用整夜守着爷爷了”，介绍发明带来的好处，衔接下文爷爷穿戴袜子进行监测。

5.5.

A

B

C

D

解析：选D。解析：后面写他拿大奖，介绍发明带来的荣誉。D “凯文研制 Safe Wander 时只有 15 岁”，补充发明者的信息，突出少年发明家。