在大气压力下,1kg水蒸发成蒸汽,其体积膨胀()倍。
A.2100
B.1725
C.1500
D.1300
参考答案:B
Regulations require__________needs special diets the cooking manager in advance.
A.who; informs
B.whom; informed
C.whomever; inform
D.whoever; inform
属于交界恶性肿瘤的是()
A.子宫颈平滑肌瘤
B.食管腺癌
C.肝血管肉瘤
D.顽固性贫血
E.类肉瘤