【单选题】China won Olyrnpic gold in the women's short track 3000 metres relay on Wednesday, with Canada _____ the silver. [ ]
【单选题】The deeds of the ten people who moved China deserve _______ in letters of gold. [ ]
【单选题】Could I have some milk, some orange juice, and some eggs
【单选题】______ he told us is the news ______ China has got 32 gold medals in this important games, ______ of course, made us feel very excited.
【单选题】有关并联比较型ADC 的说法不正确的是 。
【简答题】左 5 × 7 r2 + 5 r2 × 左 5 = 左 5 ×( 7 r2 + 5 r2 ),这里运用了______律进行简便运算.
【单选题】____is known to us is that China has won five gold medals in the 2010 Winter Olympic Games.
【简答题】电路如题图E1—20(a)所示,已知:IS1=2 A,IS2=4 A,EI1=8 V,EI2=5 V,EI3=6 V,RI1=2Ω,RI2=4Ω,RI3=6Ω,RI4=8Ω,RI5=10Ω,求各电源的输出功率。