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【单选题】
用原子吸收光谱法测定钙时,加人EDTA是为了消除( )的干扰A.
硫酸
B.
钠
C.
磷酸
D.
盐酸
E.
镁
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反馈参考答案：
举一反三
【单选题】The______paragraphs want rewriting.
A.
one fifth
B.
first one
C.
first four
D.
two-thirds
【简答题】初产妇，23岁，孕37周顺产分娩一女婴，体重2600g，Apgar评分1分钟10分，5分钟10分，胎盘胎膜自娩完整，产程经过顺利。产后母婴安全返回病房，护理体检：产妇体温正常，子宫收缩好，宫底脐下1指，质硬，无压痛，恶露少，暗红色，外阴无水肿，乳汁分泌少。产褥期生殖系统变化最大的器官是( )A、输卵管 B、卵巢 C、子宫 D、盆底组织 E、阴道 F、外阴 子宫复旧的主要表现有( )A、子宫体肌纤维...
【简答题】A．One third. B．Almost two thirds. C．More than two thirds. D．Almost half.
【单选题】How many pages has Jane read?
A.
Two-thirds of the book.
B.
Half of the book.
C.
One-third of the book.
【单选题】______ is less than __________. A. One-third, two-thirds B. One-third , two-third C. First-three , First-threes D. One-third , one-three
A.
One-third, two-thirds
B.
One-third , two-third
C.
First-three , First-threes
D.
One-third , one-three
【单选题】What happens to a person if he loses _____ of his blood (血)? [ ]
A.
three fourth
B.
one thirds
C.
two third
D.
two thirds
【单选题】甲公司 2017 年度税前会计利润为 9 900 万元,所得税税率为 25 %。甲公司全年实发工资、薪金总额为 1 000 万元,职工福利费为 150 万元。经查,甲公司当年营业外支出中有 60 万元为税收滞纳罚金。假定甲公司全年无其他纳税调整因素。税法规定,企业发生的合理的工资、薪金支出准予据实扣除;企业发生的职工福利费支出,不超过工资、薪金总额 14 %的部分准予扣除;企业发生的税收滞纳金不允...
A.
9 970
B.
2 492.5
C.
7 407.5
D.
7 425
【单选题】Save Energy At Home On the average, Americans waste as much energy as two-thirds of the world's population consumes. That's largely the(51)of driving inefficient cars, using inefficient appliances (设备...
A.
power
B.
result
C.
way
D.
work
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