请根据句意或括号中的中文提示、英文释义，写出句中所缺单词，使句子通顺。
【小题1】I was good at all the subjects except physics when I was at school. I still think it is difficult now.
【小题2】As a host, she has many duties, but her main job is to introduce (介绍) the pop stars.
【小题3】Don’t run across (穿过)the road when the traffic lights are red. It’s dangerous.
【小题4】Nowadays, some people bee deaf (unable to hear at all) because of noise pollution.
【小题5】Most students feel stressed (tired and unable to relax) and angry from time to time because their parents are strict with them.
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解析：
【小题1】本句的含义为我擅长所有的学科，除了物理之外，故本句空格处填学科的单词subjects。
【小题2】本句的含义为她的主要工作是介绍流行明星，故本句空格处填介绍的单词introduce。
【小题3】本句的含义为当交通灯是红色的时候不要穿过马路，故本句填穿过的介词across。
【小题4】本句的含义为一些人由于噪音而变成了聋子，故本句空格处填聋子的单词deaf。
【小题5】本句的含义为绝大多数学生感到有压力，故本句空格处填压力的单词stressed。