【单选题】关于多用电表,下列说法正确的是 ( )
B.
如果多用电表的指针不在零刻度线,可以进行欧姆调零
【简答题】简笔画是以最简练的_________,最基本的平面图形,画出物体的_________、_________。 2 、简笔画的表现形式有____________、____________、____________。 3 、徒手画最基本的元素是___________。 4 、色彩三要素有 ____________ 、____________、 ____________。 5 、 简笔画的特点有 、 、 ...
【判断题】简笔画的绘画要点有:1选择角度、显示结构特点;2抓住细节,突出个性特点;3运用骨线,把握动态特点。
【判断题】简笔画教学最为显著的特点为生动具体、形象直观。()
【单选题】以下关于MF47指针式万用表的叙述正确的是( )。
A.
欧姆量程为“200Ω、2kΩ、20kΩ、200kΩ、2MΩ、20MΩ”
C.
测量电阻前必须进行欧姆调零,且换一次档,调一次零。
【单选题】The dentist could _____ no sign of decay in her teeth.
【简答题】I___________whether the dentist could___________early___________.
【简答题】In the morning a very tired John rang the dentist and ______ an appointment to see the dentist. The receptionist told him that he could see the dentist next Thursday at 10 o’clock. When John asked for...
【简答题】In the morning a very tired John rang the dentist and asked for an appointment to see the dentist. The ______told him that he could see the dentist next Thursday at 10 o’clock. When John asked for an ...
【简答题】In the morning a very tired John rang the dentist and asked for an appointment to see the dentist. The receptionist told him that he could see the dentist next Thursday at 10 o’clock. When John asked ...