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【单选题】
在吸光光度法的实验中，如果待测液中含有某种杂质对测定波长的光有吸收，而其他试剂皆无吸收，应该选择的参比溶液为（ ）A.
溶剂空白
B.
试剂空白
C.
试液空白
D.
以上都不是
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举一反三
【单选题】Writing Python statements is called _______________.
A.
coding
B.
compiling
C.
interpreting
D.
processing
【单选题】Which type of business writing is being described in documents that outline the financial state of a company, providing a fiscal snapshot of a company over a defined period?
A.
instructional business writing
B.
informational business writing
C.
persuasive business writing
D.
transactional business writing
【单选题】Decide which of the following best state the author's purpose of writing
A.
To tell readers that growing older is more pleasant than being young
B.
To prove that struggling to be young is part of American values
C.
To point out some advantages of growing older that have been overlooked.
【简答题】写出如下程序的运行结果: public static void main(String[] args) { int[]a={1,2,3,4,5}, b; b=a; b[0]=22; System.out.println(a[0]); }
【单选题】The sentence 'I am sorry' belongs to
A.
commissives.
B.
directives.
C.
representatives.
D.
expressives.
【简答题】从企业发展的角度来看,其国际化过程可分为哪几个阶段 ? 各有什么特征?
【简答题】直接访问法按具体访问方式的不同分为 、 、 、街头访问调查等。
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