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【判断题】
狭义的免疫程序指在一个畜禽的生产周期中，为预防某种传染病而制订的疫苗接种规程，其内容包括所用疫苗的品系、来源、用法、用量、免疫时机和免疫次数等。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
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【简答题】将进货单价为40元的商品按50元出售时，能卖500个，已知该商品每涨价1元，其销售量就要减少10个，为了赚8000元利润，应涨价多少元？
【简答题】与分解代谢基因活化蛋白（CAP）结合生成复合物的是 查看材料
【单选题】将进货单价为40元的商品按50元售出时，就能卖出500个，已知这个商品每个涨价1元，其销售量就减少10个．当定价为（ ）元时，可获得最大利润．
A.
85元
B.
70元
C.
105元
D.
115元
【简答题】将进货单价为40元的商品按50元出售时，能卖500个．已知该商品每涨价1元，其销售量就要减少10个，为了赚8000元利润，应涨价多少元？
【单选题】A bank informs the beneficiary that another bank has opened a letter of credit in his favor. The bank informing the beneficiary doses not add its engagement. This bank is acting as ________.
A.
an advising bank
B.
a confirming bank
C.
an issuing bank
D.
profitable
【单选题】听力原文： When a savings account is opened in a bank, the depositor must sign a deposit agreement. By signing agreement, the depositor agrees to abide by the rules and regulations of the bank. At this tim...
A.
To follow the bank's rules and regulations.
B.
To have the right to make full use of the bank's facilities.
C.
To open an account in the bank.
D.
To protect the depositor's interest.
【单选题】How long will it take the man to get the bank card?
A.
Two weeks after he opened the account.
B.
At least one week after he opened the account.
C.
Less than a week after he opened the account.
D.
Immediately after he opened the account.
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