禁止使用消油剂冲洗甲板、洗带油工具、工作服。
参考答案：对
预激综合征易发生何种心律失常（）
A.窦性心动过速
B.室上性心动过速
C.室性心动过速
D.房室分离
E.房颤
One of the most important things in education is to let students ______ positive emotions and
experience in the process of their learning. [ ]
A. require
B. acquire
C. demand
D. clarify
