由政府或国家级的机构制定或批准的标准称为国家标准,以下由(47)冠名的标准不属于国家标准。
A.GB
B.BS
C.ANSI
D.IEEE
参考答案:D
下列诊断重型溃疡性结肠炎的要点,错误的是()
A.腹泻>5次/日
B.体温>38℃持续2天以上
C.血沉>30mm/h
D.脉搏>100次/分
E.血红蛋白≤70g/L
The growth of GDP in China will be largely slowed down in the next few years _____ it mainly relies
on the exploration of the resources available. [ ]
A. because of
B. since that
C. thanks to
D. now that