肺吸虫病需与下列哪几种疾病相鉴别()
A.肺结核和结核性胸膜炎
B.脑型血吸虫病和囊虫病
C.脑肿瘤
D.病毒性肝炎、肝硬化
E.以上都不是
参考答案:A, B, C, D
Some people are good at _____ voices on the phone while others ______. [ ]
A. knowing; aren't
B. recognizing; don't
C. knowing; don't
D. recognizing; aren't
远期汇票使用的一般程序有( )。
A.承兑
B.贴现
C.提示
D.背书
E.付款