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【单选题】
根据以往经验判断是否食品生产者采购食品原料、食品添加剂、食品相关产品，应当查验供货者的许可证和产品合格证明文件;对无法提供合格证明文件的食品原料，应当()A.
先行使用，要求供货方补交合格证明文件
B.
依照食品安全标准进行检验
C.
根据以往经验判断是否可以使用
D.
依照专家意见处理可以使用
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【单选题】Part II Read and Reason In Part II, you will read short texts on different subjects. Read the instructions carefully and answer the questions based on logical inference and reasoning. (Time suggested:...
A.
You said that I would have to run the mile in less than six minutes to be on the track team, and I did. So why did I get cut from the team?
B.
Dina has to be rich or at least to be an heiress. She after all belongs to the Alpha Phi Lambda sorority which is the richest sorority on campus.
C.
It’s supposed to be in the low twenties tonight, so surely we’re not going to the football game, are we?
D.
To see viruses, one must have a microscope. This follows if William Carroll said he saw viruses, he must have used a microscope.
【单选题】已知风险组合的期望报酬率和标准差分别为10%和12%，无风险报酬率为5%，某投资者除自有资金外，还借入40%的资金，将所有的资金用于购买市场组合，则总期望报酬率和总标准差分别为()
A.
12%和16.8%
B.
14.8%和16.8%
C.
12%和14.8%
D.
14%和12%
【简答题】我国规定,灌溉水中苯的含量不得超过 ____ mg/L 。
【简答题】You may like the fat, happy man who brings (11) to kids on Christmas Eve. But do you know why he's called Santa Claus and why he is dressed in red? The history of Santa Claus begins in the 4th (12) wi...
【单选题】已知风险组合的期望报酬率和标准差分别为 5% 和 2% ,无风险报酬率为 1% ,某投资者除自有资金外,还借入占有资金 20% 的资金,并将所有的资金投资于市场组合,则总期望报酬率和总标准差分别是( )。
A.
5.8% 和 2.4%
B.
3.6% 和 6%
C.
5.8% 和 6%
D.
3.6% 和 2.4%
【单选题】已知风险组合的期望报酬率和标准差分别为l0％和l2％，无风险报酬率为5％，某投资者除自有资金外，还借入40％的资金，将所有的资金用于购买市场组合，则总期望报酬率和总标准差分别为（ ）。
A.
12％和l6．8％
B.
14．8％和l6．8％
C.
12％和14．8％
D.
14％和12％
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