根据句意和首字母提示补全单词。

1. Don't walk on the g_________.

2. In fall, l_________ turn yellow.

3. He doesn't like doing his homework, he is l_________.

4. Let's r_________ for an hour, I'm tired.

5. D_________ the trip, he visits an old friend.

按照SOLAS公约规定，每艘船舶在海上无线电通信值班要求包括：

Ⅰ．如有VHF无线电装置，应在VHF的DSC70频道上保持连续值班；

Ⅱ．如安装有MF无线电装置，应在DSC遇险和安全频率2187.5KHZ上保持连续值班；

Ⅲ．安装有Inmarsat船舶地面站的船舶，应对卫星岸对船的遇险报警保持连续值班；

Ⅳ.如切实可行，应在VHF16频道上保持连续守听值守。

A．Ⅰ～Ⅲ

B．Ⅰ～Ⅳ

C．Ⅰ、Ⅱ、Ⅳ

D．Ⅰ、Ⅲ、Ⅳ