排尿性膀尿路造影对诊断下述哪一疾病有重要作用()
A、膀胱癌
B、外伤性输尿管、肾脏病变
C、反流性肾病
D、多发性 * * 结石
E、良性前列腺肥大
参考答案:D
He hardly has _ _ ice cream in summer.[ ]
A. some
B. any
C. many
D. a few
正氧平衡炸药