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计算题： 为测定某聚氯乙烯卷材地板中可溶性镉的含量，按照方法要求裁取2块10mm×100mm的试样并制备成两份50m1试样溶液，用石墨炉原子吸收光谱法测得两份溶液的吸光度分别为0.0918和0.0940，同时测定样品空白吸光度为0.0080。已知标准系列浓度与吸光度测定值如下表所示，标准溶液与试样溶液进样体积同为10μl。求该卷材地板中金属镉的含量（mg／m2）。
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【简答题】C语言的运算符除了规定优先级外,还规定了____,%运算要求参加运算的操作数为____。
【单选题】SECTION 3 Directions: Each passage in this group is followed by questions based on its content. After reading a passage, choose the best answer to each question. Answer all questions following a passa...
A.
answer a theoretical question in the field of dinosaur thermoregulation
B.
discuss the current state of research in the field of dinosaur thermoregulation
C.
resolve a dispute in the field of dinosaur thermoregulation research
D.
predict a future crisis in the field of dinosaur thermoregulation research
E.
suggest some of the possible benefits of a technique in dinosaur thermoregulation research
【单选题】It can be inferred that Chevrolet Nova ______.
A.
was originally aimed at the market of Latin countries
B.
suffered a severe sales slide in the Spanish market
C.
did not have as good performance as Caribe
D.
was popular outside the Spanish market
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