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【单选题】
球墨铸铁是将( )铁水经球化处理后获得的铸铁。 A. B. C.A.
灰铸铁
B.
蠕墨铸铁
C.
铸铁
D.
球磨铸铁
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举一反三
【单选题】If price rises too high, the government has to do something ________ it.
A.
stop
B.
stopped
C.
stopping
D.
to stop
【简答题】请将每项信息与其对应的拓扑图类型进行匹配
【单选题】If the price rises too high, the government has to do something______it.
A.
stop
B.
to stop
C.
stopping
D.
stopped
【简答题】A．In 30 minutes. B．Just before midday. C．Long before midday. D．In 30 minutes, if she runs.
【单选题】The internal temperature of a large desert mammal is lowest______.
A.
just before sunrise
B.
just after sunset
C.
just after drinking
D.
in the middle of the day
【多选题】去甲肾上腺素能神经兴奋时机体可呈现下列哪些表现()
A.
心脏兴奋、心跳加快
B.
皮肤血管和内脏血管收缩
C.
瞳孔缩小
D.
肾上腺髓质分泌肾上腺素
E.
支气管平滑肌舒张
【简答题】郭《操作系统》实验1.docx spyxx.exe
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