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【简答题】
写出3个引导原因的词汇
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举一反三
【单选题】In the gas chromatography, the following action that will NOT affect the resolution of the two adjacent component is to ( ).
A.
choose the detector with higher sensitivity
B.
increase the column length
C.
alter the chemical property of the stationary phase
D.
increase the column temperature
【单选题】Between the two parts of the concert is an interval, __________ the audience can buy ice-cream.
A.
when
B.
where
C.
that
D.
which
【单选题】Which of the following is used to keep two adjacent words on the same line?
A.
Keep lines together.
B.
Keep paragraphs together.
C.
Nonbreaking space.
D.
Nonbreaking hyphen.
【简答题】4367和436比较大小，4367是（ ）位数，436是（ ）位数，（ ）位数大于（ ）位数，所以4367○436。
【单选题】According to the last paragraph, the author may suggest that______.
A.
either of the two partial theories may be correct
B.
the new theory has been established to replace the two partial theories
C.
the new theory may develop from either of the two partial theories
D.
the new theory may combine many of the properties of the two partial theories
【简答题】指出下列各题的简便运算运用了什么运算定律或运算性质． （1）436+（5+329）=1000+329______ （2）650÷25=2600÷100______ （3）1376-159-141=1376-300______ （4）78×101=78×（100+1）=7800+78______．
【简答题】436-198=436-200-2______．
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