题型:填空题 --- Did Tony win the game? --- No. Staying up late made him at his worst _____ physical situation.A.in case ofB.in terms ofC.in favor ofD.in spite of 查看答案
题型:填空题 透镜可分为两类:一类是凸透镜,它能使光线______,另一类是凹透镜,它能使光线______,老花眼镜(远视眼镜)是______镜.在做研究凸透镜成像规律实验中,若凸透镜的焦距为10cm,当物体距透镜15cm时,可以成一个倒立的、______、实像,当物体距透镜5cm时,可以成一个正立的、放大的______像. 查看答案