A、<p><span style="font-family: 宋体; font-size: 13px; line-height: 19.5px; ">避免</span></p>
B、<p><span style="font-family: 宋体; font-size: 13px; line-height: 19.5px; ">控制</span></p>
C、<p><span style="font-family: 宋体; font-size: 13px; line-height: 19.5px; ">降低或消除</span></p>
D、<p><span style="font-family: 宋体; font-size: 13px; line-height: 19.5px; ">转移</span></p>