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【简答题】
听录音,标注出数字各处的语调是升调、降调或降升调。 I was doing my shopping(1)one day, as usual, and I was walking past the antique(2) shop, and I saw a beautiful old vase(3) in the window, with red and blue and yellow flowers(4) on it. And I stood there looking(5) at this vase and thinking I'd really like to buy(6) it, and I went in(7) and looked(8) at it and asked about the price(9), but of course it was much too expensive(10). And I did the rest of my shopping(11) and went back home(12). And a few days later(13) I walked past the same shop(14) and noticed that the vase wasn't there(15), and I thought that was the end(16) of it. Anyway(17), a couple of weeks later(18) it was my birthday(19) and I had a little party(20) for a few of my friends(21), and they arrived with a huge parcel(22) and said, 'Happy birthday(23)! We've got a really special present(24) for you!' So I opened(25) it and guess what(26), it was the vase(27) from the antique(28) shop!
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【简答题】NADH 的 P / O 值是__,还原性维生素 C 的 P / O 值是__,在 DNP 存在的情况下,氧化分解琥珀酸的 P / O 值是 。
【单选题】显示器的标准能达到1280*1024,可是实际却达不到这种效果,最可能的原因:
A.
坏了
B.
显示器厂家有虚假行为
C.
显卡达不到
D.
以上都不是
【简答题】NADH链的P/O值( ),FADH2链的P/O值( )。
【多选题】下列那些是贴片元件的焊接缺陷( )
A.
连锡
B.
少锡
C.
立碑
D.
多锡
【单选题】常见的物理信号如压力,温度()电信号,电子电路中处理的信号()电信号。
A.
是;是
B.
是;不是
C.
不是;是
D.
不是;不是
【简答题】P/O值是指______。
【判断题】系统在正常工作时最常见的输入信号形式仅分析阶跃信号情况。
A.
正确
B.
错误
【单选题】美国对中国发起贸易战,是以什么条款为名发起调查?
A.
301条款
B.
302条款
C.
303条款
D.
304条款
【简答题】传感器输出的信号分为数字量和模拟量,模拟量有电压和电流信号,常见的信号有( )V,( )mA,( )mA。
【简答题】程控所有的输入无信号常见原因分析?