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【单选题】
沼气发酵调节提高pH的方法不包括( )A.
经常少量出料并投入同量新料
B.
加入草木灰和适量的氨水
C.
加入氢氧化钠
D.
用石灰水、碳酸钠溶液或碳酸氢钠溶液调节pH值
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反馈参考答案：
举一反三
【多选题】张锭邦 第四节 50、苗族的三大方言是()
A.
湘西方言
B.
川黔滇方言
C.
黔东方言
D.
湘黔方言
E.
滇北方言
F.
ABC解析：苗族属于汉藏语系，有三大方言，即湘西方言 黔东方言 和川黔滇方言
【简答题】V. vocabulary(10) 51. Why he went there is a _________（谜）to me 52. The football match will be held in the Peking Workers’ ________ （体育场） 53. He received a letter saying that his _____________（申请）had b...
【单选题】There is a difference between science and technology. Science is a method of answering(51)questions, technology is a method of solving practical problems', and sometimes(52)new problems our of the 'so...
A.
therapeutic
B.
theoretical
C.
thematic
D.
theory
【单选题】Yaro Company owns 30% of the common stock of Dew Co. and uses the equity method to account for the investment. During 2018, Dew reported income of $250,000 and paid dividends of $80,000. There is no a...
A.
$24,000.
B.
$75,000.
C.
$99,000.
D.
$51,000.
E.
$80,000.
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