cupt2022考试题目答案

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1、以下哪一项关于Corda的描述不正确？
A、这是首个能大规模接入而且支持法定数字货币的区块链网络
B、Corda采用的智能合约封装了交易的业务逻辑
C、Corda可以支持单个网络中超过数十亿次日交易数
D、Corda的设计采用了“账户-余额模型”
答案：Corda的设计采用了“账户-余额模型”
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2、下列哪种颜色能给人以温馨、美好、甜蜜的幸福感，是富足、快乐的象征。
A、红色
B、黄色
C、橙色
D、绿色
答案：橙色
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3、下列哪种颜色是暖色调
A、绿色
B、橙色
C、蓝色
D、紫色
答案：橙色
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4、The main elements of the Method section include:
A、a description of the literature
B、a description of the materials
C、a description of the results
D、a description of the procedures
答案：a description of the materials ■a description of the procedures
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5、下列有关光接收机灵敏度的表述不正确的是 （）。
A、光接收机灵敏度描述了最低接收平均光功率
B、光接收机灵敏度描述了光接收机的最高误码率
C、光接收机灵敏度描述了每个光脉冲中最低接收光子能量
D、光接收机灵敏度描述了每个光脉冲中最低接收平均光子数
答案：光接收机灵敏度描述了最低接收平均光功率; 光接收机灵敏度与每个光脉冲中最低接收光子能量有关; 光接收机灵敏度与每个光脉冲中最低接收平均光子数有关
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6、Following the blanching step, the vegetable is packaged and the temperature is reduced to .
A、below the freezing point of water
B、over the freezing point of water
C、below the 10°C
D、不知道
答案：below the freezing point of water
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7、光学眼镜片的功能不包括（ ）。
A、隔离紫外线
B、阻挡有害蓝光
C、缓解视疲劳
D、降低近视度数
答案：降低近视度数
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8、The purpose of processing is to .
A、achieve and maintain microbial safety in the product
B、extending the shelf life of the product
C、improve the quality of products
D、Change the flavor
答案：achieve and maintain microbial safety in the product;extending the shelf life of the product;improve the quality of products
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9、In a conference proposal, unnecessary repetition means the same message has been delivered more than once.
答案：错
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10、下列属于随机误差来源的是
A、未随机分配
B、调查员倾向性暗示
C、环境不一致
D、样本量不够
答案：样本量不够
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11、According to the principles of separation, in food industry there are three different techniques used in liquid food concentration ,these techniques are ,respectively.
A、evaporation
B、member separation
C、freeze concentration
D、freeze drying
答案：evaporation
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12、If the pH value of foods is in the range of 3.7 to 4.5, we can call this kind of foods as food.
A、medium acidity
B、low-acid foods
C、high- acid foods
D、None of the above
答案：medium acidity;
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13、Food substrates can be divided into .
A、low--acid systems
B、acid systems
C、high--acid foods
D、alkaline system
答案：low--acid systems; acid systems; high--acid foods
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14、在用CAD软件进行尺寸标注之前，应该先检查当前图层的线型和线宽是否是细实线。
答案：对
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15、pH below 3.7, thermal process is based on the thermal resistance of .
A、microbial spores causing spoilage
B、spores of microbial pathogens
C、spoilage
D、pathogens
答案：microbial spores causing spoilage
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