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【单选题】
教师带领学生进行实地参观、访问、考察,如让学生参观博物馆,观看前人创造的金银玉饰,碑刻书画等,这对理解中国古代史及文明史有很好的促进作用,这种教学形式是()。A.
实物直观
B.
模象直观
C.
语言直观
D.
意念直观
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【简答题】阅读理解。 If I were writing a history of my family, some of the darkest moments recorded would be those about Christmas trees. One would certainly think otherwise; selecting and putting up our trees have ...
【简答题】D-葡萄糖的α和β异头物的比旋分别为+112.20和+18.70。当α-D-吡喃葡萄糖晶体样品溶于水时,比旋将由+112.20平衡至+52.70。计算平衡混合液中α和β异头物的比率。假设开链形式和呋喃形式可以忽略不计。
【简答题】D-葡萄糖的α和β异头物的比旋( )分别为+112.2°和+18.7°。当α-D-吡喃葡糖晶体样品溶于水时，比旋将由+112.2°降至平衡值+52.7°。计算平衡混合液中α和β异头物的比率。假设开链形式和呋喃形式可忽略。
【单选题】________ information! I hear you have finished writing a ________ report.
A.
What an excited; seven thousand word’s
B.
What excited; seven thousand words
C.
What an exciting; seven-thousand-word
D.
What exciting; seven-thousand-word
【简答题】L7-葡萄糖的α和β异头物的比旋[αD 20 ]分别为+112.2°和+18.70°。当α-D-吡喃葡糖晶体样品溶于水时，比旋将由+112.2°降至平衡值+52.70°。计算平衡混合液中α和β异头物的比率。假设开链形式和呋喃形式可忽略。[α异头物的比率为36.5%，β异头物为63.5%]
【单选题】March 16th, 2009 Dear Sir, In (141) with my agreement with your firm, I am writing to giving you formal notice of the termination of my service with you one month from now. The health of my wife makes...
A.
according
B.
accordance
C.
account
D.
accountant
【单选题】I don't like talking on ____ phone; I prefer writing ____ letters. [ ]
A.
a; the
B.
the; /
C.
the; the
D.
a; /
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