问题
选择题
The most important thing ____ when ____an emergency is to stay calm.
A．keep it in mind; deal with
B．keep in mind; dealing with
C．to keep it in mind; dealing with;
D．to keep in mind; dealing with
答案
答案：D
本题考查非谓语动词。第一空用不定式作定语，本句逻辑主语为you，与deal with的关系为主动关系。句意：当遇到紧急情况的时, 最重要是要保持冷静。选D。