问题
选择题
下例说法错误的是[ ]
A．物体离凸透镜越近，它所成的像越大
B．老花镜当放大镜使用时应将被观察物体放在焦点以内
C．物体在凸透镜的焦点以外时成的像一定是实像
D．凸透镜即可成实像也可成虚象，即可成缩小的也可成放大的像
答案
答案：A
搜题请搜索小程序“爱下问搜题”
下例说法错误的是[ ]
A．物体离凸透镜越近，它所成的像越大
B．老花镜当放大镜使用时应将被观察物体放在焦点以内
C．物体在凸透镜的焦点以外时成的像一定是实像
D．凸透镜即可成实像也可成虚象，即可成缩小的也可成放大的像
答案：A
根据对话内容，从对话后的选项中选出能填入空白出的最佳答案，并在答题卡上将该项涂黑。选项中有两项多余选项。（共5小题：每小题一分，满分5分） 注意：E涂AB,F涂AC,G涂AD A:Now,Mr John.I’ve read your own docter’s report.So you haven’t been feeling well lately.小题1: B:Yes.It’s my leg,docter.My left leg.I’m suffering from frequent strange pain in it. A：小题2: B:It’s like boiling water running down my leg.It’s been getting worse lately too.I’v been losing sleep. A: 小题3: B:Yes,that’s right.It’s been keeping me awake. A:Have you been getting tired lately after you have a walk? B:Why?Yes,Yes,I have,docter. A:Hmm…小题4: B:Do you think it’s serious? A:Probably not. B:But…Docter Cook,my local docter think it’s only that I have been working too hard lately. A: 小题5:Don’t worry.We’ ll find out soon.
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