题目

光敏电阻是用半导体材料制成的，如图16所示，将一个光敏电阻与多用电表串联成一电路，此时选择开关放在欧姆挡，照射在光敏电阻上的光强逐渐增大，则欧姆表指针的偏转角度               若将选择开关放在电压档，同样增大照射光强度，则指针偏转角度             。（填“变大” 、“变小”或“不变”）、、    阅读短文，选择正确的答案。My name is Amy. I’m from Canada. I usually get up at 6:30, and I often go hiking on the weekend. I like winter best, because my birthday is on December 12th, and I can play with snow. Today my parents are going shopping. My brother is playing in the garden. I’m watching TV.【1】Amy often goes hiking _____. ( )A.on SundaysB.in springC.on the weekend【2】Which is Amy’s favourite season? ( )A.Summer.B.Autumn.C.Winter.【3】Why does Amy like winter? ( )A.Because her birthday is in December.B.Because she can play with snow in winter.C.Both A and B.【4】Is Amy's brother going shopping? ( )A.Yes, he is.B.No, he isn’t.C.Yes, he is swinging in the garden. 【5】What’s Amy doing? ( )A.She’s going shopping.B.She’s watching TV.C.She’s playing.