【简答题】For this part, you are allowed 30 minutes to write a composition on the topic Is CET-4 Necessary? You should write at least 120 words following the outline given below in Chinese. 1. 很多人认为有必要举行CET-4考试...
【简答题】Fill in the blanks with appropriate prepositions (e.g. to, for, in, of, etc.). Anona and I hit it ___1___ immediately; we’re true soulmates. She’s been so loyal ___2___ me all these years, I can’t let...
【简答题】下列关于日本建立的体制,描述错误的是?() A是高度民族化和种族主义倾向的体制 B高度国防国家体制 C是为了适应战争需要而建立的 D是一切为了战备服务的
【单选题】下列关于日本建立的法西斯体制,描述错误的是?()
【简答题】Fill in each of the blanks with some , any or one of their compounds. 1. The repairs will cost _____________ in the region of $500. 2. I was amazed that ___________ 400 people came to the meeting to d...
【简答题】直流电路如 图所示, U ab 等于( )。
【单选题】接有电容滤波器的桥式整流电路如图所示。已知u(t)=35.4sin314tV,直流电流表读数150mA,输出电压U0等于( )V。
【单选题】电路如图所示,独立电压源和电流源单独作用于电路时,引起的电压 U 分别等于()。
【单选题】电路如图所示,若使电压u=0,则电流源 is 等于( )。【图片】