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【单选题】
下列不属于生命体基本组成物质的是:A.
维生素
B.
糖类（碳水化合物）
C.
核酸
D.
蛋白质
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反馈参考答案：
举一反三
【单选题】加工内廓类零件时,为保证顺铣,( )。
A.
刀具要沿内廓表面顺时针运动
B.
刀具要沿工件表面左右滑动
C.
刀具要沿工件表面左右摆动
D.
刀具要沿内廓表面逆时针运动
【单选题】The difference between nominal and real interest rates is that
A.
nominal interest rates are measured in terms of a country's output, while real interest rates are measured in monetary terms.
B.
nominal interest rates are measured in monetary terms, while real interest rates are measured in terms of a country's output.
C.
nominal interest rates can fluctuate, while real interest rates always remain fixed.
D.
real interest rates can fluctuate, while nominal interest rates always remain fixed.
E.
real interest rates are the same in every country, while nominal interest rates are different for every country.
【单选题】患者，女性，34岁，洗衣时突发左侧肢体活动不灵，体检：意识清，失语，心律不齐，心率106次／分，脉搏86次／分，左上肢肌力0级、下肢肌力2级，偏身感觉障碍，首先考虑的疾病是
A.
脑血栓形成
B.
脑栓塞
C.
脑出血
D.
短暂性脑缺血发作
E.
蛛网膜下腔出血
【简答题】C2C交易模式是企业与企业之间的交易模式。( )
【简答题】Mr Smith ’ s living room is very ______ ___. It can hold twenty people there.
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