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【简答题】
The worlds of science fiction abound with wonders. Yet modern technology progresses so rapidly that what is today’s wild dream may be next year’s kitchen appliance. A British scientist has prognosticated that within ten years every suburban abode will have its own robot servant. One task this domesticated automaton will not have to contend with will be scouring the oven because even today the newest ranges can be programmed to reduce their own baked-on grime to easily disposed of ash. O n the basis of the above passage, try to use correct forms of the new words to complete the following sentences. 1. The mayor refused to as to his margin of victory in the election. 2. The time is approaching when human workers may be replaced by . 3. Mel’s new two-bedroom overlooks a lake where many birds nest. 4. The western plains used to with bison before those animals were slaughtered by settlers. 5. Man may be freed from back breaking labor by the products of scientific .
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【多选题】腌腊肉加工过程中,抗坏血酸盐的作用有哪些( )。
A.
促进亚硝酸盐还原成 NO ,并创造厌氧条件,加速成亚硝基肌红蛋白形成,加快发色过程。
B.
有利于高铁肌红蛋白还原为亚铁肌红蛋白,护色作用
C.
防止 NO 再被氧化成二氧化氮,故有抗氧化作用
D.
阻碍亚硝基与二甲胺结合,防止亚硝胺产生,解毒作用
【简答题】什么是总量指标?它在社会经济统计中有何作用?
【单选题】当作业单位个数为10时,总的作业单位对数为()。
A.
45
B.
50
C.
55
D.
没有正确答案
【简答题】什么是总量指标?它在社会经济统计中有何作用?
【简答题】Multiple Choices 1. She was so _______ in her job that she didn’t hear anybody knocking at the door. a. attracted b. absorbed c. drawn d. concentrated 2. We managed to reach the top of the mountain, a...
【单选题】Linux发行的版本是( )
A.
SUS
B.
SUSY
C.
SUSE
D.
SUSD
【简答题】什么是总量指标“它在社会经济统计中有何作用?
【判断题】亚硝基肌红蛋白,亚硝基肌色原,亚硝基高铁肌红蛋白统称为腌肉色素,其颜色更加鲜艳,性质更加稳定。
A.
正确
B.
错误
【单选题】控制测量内业的基准面是( )。
A.
大地水准面
B.
参考椭球
C.
法截面
D.
水准面
【多选题】腌肉制品中使用了硝酸盐或亚硝酸盐作为发色剂,使肉的颜色变得更加鲜艳诱人,其原因是产生了什么物质
A.
亚硝基肌红蛋白
B.
亚硝基高铁肌红蛋白
C.
亚硝基肌色原
D.
氧合肌红蛋白
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