在凸透镜成实像时,物距减小,像距就会 ,所成的像也 ,这也是照相机、幻灯机成像的调节方法。
增大 ;变大。
Don't let yourself be ________ by a small failure in the experiment, try again.[ ]
A.cast away
B.cast down
C.cast aside
D.cast out
装饰脚手架