电路的每一分支叫（），三条以上支路的汇集点叫节点，电路中任意闭合的路径叫（）。
参考答案：支路；回路
患者缺失，可摘局部义齿修复。选用的两颗人工牙略大于缺隙，排列人工牙时应磨改的部位，下列哪项是不对的（）
A.对称地磨改两个中切牙的宽度
B.对称地磨改两个中切牙的切缘
C.对称地磨改两个中切牙的磨面
D.对称地磨改两个中切牙的远中面
E.对称地磨改两个中切牙的颈缘
用所给单词的正确形式填空。（共10小题；每小题1分，满分10分）
小题1:Look at your __________(foot). They are very dirty(脏的).
小题2:Tom’s English is not good. I think he should __________(read) English every day.
小题3:There are many ___________(different) between you and me.
小题4:He is________________(babysit) his sister this evening.
小题5:Jack ___________(exercise) every day. So he looks very strong.
小题6:He _________(send) me the postcard two days ago.
小题7:It is important __________(get) up early in the morning to do sports.
小题8:I am not _____________(feel) well at this moment.
小题9:Let’s take _________(walk) after dinner.
小题10:I always brush my_______(tooth) after meal.
缺失，可摘局部义齿修复。选用的两颗人工牙略大于缺隙，排列人工牙时应磨改的部位，下列哪项是不对的（）