肝胶体和肝血池联合核素显像诊断哪种肝病最有价值()
A．原发性肝癌
B．肝内海绵血管瘤
C．肝脓肿定位
D．肝胆结石
E．肝硬化
参考答案：B
Here ______some pieces of news, and I want to know what the latest news _______. [ ]
A. are; are
B. is; is
C. is; are
D. are; is
—Helen，my parents asked me to give you some flowers______ your birthday.
—Oh，please say thanks______ me. [ ]
A. on; to
B. for; for
C. for; to
D. as; for
