-3，3，25，127，341，( )A．627 B．717 C．731 D．10

小明是一个摄影“发烧友”，他想在自己的家里建立一个家庭冲洗室，需设计一个相片曝光箱．曝光箱内电路要求是：箱内有两只灯泡，其中一只涂成红色．曝光箱外有两只开关，当闭合S₁时只有红灯L₁发光，这时可在红灯照明下调整底片和相纸的位置，调好后闭合S₂，则L₁和L₂均正常发光，使相纸感光．为了防止在放好相纸之前，由于操作失误而使L₂发光，电路设计要求在S₁闭合前，接通S₂时L₂并不发光．根据上述要求，请画出曝光箱内部的电路图，并将图所示实物连成相应的工作电路．

用所给词的适当形式填空（每空一词，每空1分，计10分）

小题1:Lin Shuhao is a very good basketball ___________( [‘pleIə] )

小题2:Watching the lion dance is very _____________(interest).

小题3:They have sports ____________(two) a week.

小题4:__________(not) play in the street. It’s dangerous.

小题5:Daniel with his parents often___________(go) shopping in the supermarket.

小题6:The students are sitting___________(围绕) their teachers.

小题7:Amy has ___________(足够的)money for the hair clips.

小题8:This meal gives him __________ (热量)for his after-school activities.

小题9:What about __________ (庆祝) Halloween in different ways?

小题10:They have a Computer lesson on ________ (星期四).

A little boy invited his mother to attend his school’s first teacher-parent meeting. To the little boy’s (1) , she said she would go. This (2) be the first time that his classmates and teacher (3) his mother and he felt (4) of her appearance. Although she was a beautiful woman, there was a severe sear (疤痕) that (5) nearly the entire right side of her face. The boy never wanted to (6) why or how she got the sear.At the meeting, the people were (7) by the kindness and natural beauty of his mother (8) the sear, but the little boy was still embarrassed (尴尬) and (9) himself from everyone. He did, however, get within (10) of a conversation between his mother and his teacher.The teacher asked (11) ," How did you get the scar on your face"The mother replied, " (12) my son was a baby, he was in a room that caught fire. Everyone was (13) afraid to go in because the fire was (14) , so I went in. As I was running toward his bed, I saw a long piece of wood coming down and I placed myself over him trying to protect him. I was knocked (15) but fortunately, a fireman came in and saved both of us. " She (16) the burned side of her face. "This scar will be (17) , but to this day, I have never (18) what I did. "At this moment, the little boy came out running toward his mother with tears in his eyes. He held her in his arms and felt a great (19) of the sacrifice (牺牲) that his mother had made for him. He held her hand (20) for the rest of the day.

第（9）空应选择（）

A．hid         

B．protected    

C．separated    

D．escaped

使用者发现精密量具有不正常现象时，应及时送交()。

A、生产厂返修

B、技术及检验部门

C、计量室检修

D、上级领导

疟疾患者寒战期给予积极的物理降温或药物降温。（）