扬程不同的两台泵不能()使用。
参考答案:并联
In this experiment, they are woken up several times during the night, and asked to report what they____.
A.had just been dreaming
B.are just dreaming
C.have just been dreaming
D.had just dreamt
患者男性,67岁。2周前B超查体发现右肾中下极3cm偏强回声占位病变,外向生长,无症状。
可能的诊断有()
A.肾错构瘤
B.肾盂癌
C.肾癌
D.肾结核
E.肾囊肿
F.肾脂肪瘤