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【简答题】
其它条件相同时，烧结含结晶水的物料时，一般比烧结不含结晶水的物料，最高温度要__________。
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举一反三
【简答题】阅读理解 Living in a green area can make you live longer,according to research published today.The research also shows that the difference in life expectancy (预期寿命) between rich and poor becomes smalle...
【单选题】______the South Korean conglomerates, few other firms have the research and development resources to compete in these areas.
A.
In case of
B.
In regard to
C.
With the exception of
D.
With the purpose of
【简答题】肺泡表面活性物质有何作用?
【单选题】Research discovered that plants infected with a virus give off a gas that______ disease resistance in neighboring plants.
A.
contracts
B.
activates
C.
maintains
D.
prescribes
【简答题】A．Research foreign policy issues B．Communicate with the aides of other congressional representatives C．Help citizens solve problems D．Oversee local elections
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