下列选项中对划线词意义和用法判断正确的一项是(     )
①若属皆且为所虏 ②若使烛之武见秦君
③客何为者       ④何辞为

甲每日都用不锈钢锅炒菜，乙则用铁锅．甲比乙更易患的病是（　　）

你觉得妈妈的爱还是什么？试着再写一节？

霾是指因空气中悬浮着大量的烟、尘等微粒而形成的浑浊现象．中央气象台发布霾橙色預警：預计.12月1日08时至2日凌晨，我国部分地区有重度霾“读全国霾区预报图”， 重度霾出现地区的城市空气质量冬季比夏季差，其原因除了不利的气象条件外，主要还有（  ）

    Tom always can't sleep well at night. But he was never late for work. He went to see his doctor on Sunday afternoon. He took the subway to get there. He met his boss on the subway and they talked for a while.

    Tom got some sleeping pills from the doctor. That night Tom took the pills. He had a nice sleep. He went to work happily on foot in the morning. Getting into the office, he said to his boss “I had a nice sleep and got up happily this morning.” “That's fine,” shouted the boss, “but where were you on Monday?”