在结节病常见的情况中,下列哪种说法是不正确的()。
A.双侧肺门淋巴结肿大
B.高血钙症
C.丙种球蛋白增高
D.Kveim试验阴性
E.临床症状与X线检查结果有矛盾
参考答案:D
While talking with his colleagues, he accidentally ________ that he had got divorced. [ ]
A. let out
B. gave out
C. turned out
D. brought out
在层流和湍流过渡区中,随着涡轮流量计叶轮转速的升高,仪表系数出现()
A、显著下降
B、几乎不变
C、峰值
D、少量增加