下列4个4位十进制数中,属于正确的汉字区位码的是______。
A.5601
B.9596
C.9678
D.8799
参考答案:A
解析: 区位码都是从0~94。
139. Yao Ming is very famous now. However, his basketball career _____ only after many years of hard work.
A.took on
B.took off
C.took up
D.took out
以下哪种说法不正确
A.孕激素降低胆囊粘膜上皮对钠的调节,使粘膜吸收水分能力下降,影响胆囊浓缩功能
B.多数胆囊炎患者合并胆石病
C.胆汁中胆固醇浓度增加
D.妊娠期胆汁成分明显变化
E.孕激素使胆道平滑肌松弛,胆囊排空能力减弱,导致结石形成