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【简答题】
若SUBSTR(S,i,k)表示求S中从第i个字符开始的连续k个字符组成的子串的操作，则对于S=“Beijing&Nanjing”，SUBSTR(S,4,5)=（）。 A. “ijing” B. “jing&” C. “ingNa” D. “ing&N”
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举一反三
【简答题】A multicellular organism has ______ cell(s).
【简答题】A multicelluar organism has ___ cell(s).
【单选题】the chemical processes that occur within a living organism in order to maintain life.
A.
stereotype
B.
acupuncture
C.
metabolism
D.
medication
【单选题】An organism is capable of oxidizing H2S and using the energy obtained from the reaction to reduce carbon dioxide. Which type of metabolism does this organism possess?
A.
Photolithotrophic autotroph
B.
Chemoorganotrophic heterotroph
C.
Photoorganotrophic heterotroph
D.
Chemolithotrophic autotroph
E.
Not enough information to determine which type
【单选题】Only recently has biology begun to see itself as an information technology. An organism's physiology and behavior. are dictated largely by its genes. And those genes contain information written in cod...
A.
A shortage of research funds.
B.
A reluctance to acquire advanced mathematical skills.
C.
An insufficient knowledge of computer languages.
D.
An unwillingness to work cooperatively with mathematicians.
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