单词拼写。

1. The balloon suddenly b_______.

2. He was badly i_______ in the accident.

3. They r______ a boy from drowning.

4. All his life was full of______ (痛苦).

5. Trees along the road provide s______ from the sun for the farmers.

6. It is reported that the forests in Russian have been d______ by one fire after another.

麻毒闭肺首选方剂应是

A．宣毒发表汤
B．清解透表汤
C．沙参麦冬汤
D．羚角钩藤汤
E．麻杏石甘汤