题目

根据所给汉语完成下列句子,每空词数不限。【1】加班加点地工作使他疲惫不堪。He is tired out because of _________________________.【2】即使前路艰辛,我们也决不轻言放弃！Although there will be much difficulty in the future, _________________________.【3】自打儿时起,他就怀揣世界冠军之梦。He _________________________ a world champion since his childhood.【4】警方经常以短信的形式提醒人们提防各类犯罪分子。The police often remind people _________________________ criminals.【5】起初,这些飞行员都未入在北方的冬季，常见的几种物态变化现象中，属于凝华的是（　　）A．室外冻冰的衣服变干B．房间窗户玻璃的内表面出现冰花C．湖面结了厚厚的一层冰D．正在跑步的人，口中呼出“白气”