女,45岁,右上腹部隐痛不适、纳差、厌油腻10余年,曾多次做胆囊造影不显影,首先应考虑为
A.尿流突然中断B.排尿困难C.膀胱刺激征D.尿潴留E.黏膜恶性变
参考答案:B
读45页3a,判断正T、误F。
( )1. They have yellow T-shirts.
( )2. The price of the sweaters is very good—only ¥25.
( )3. From the passage we know they have two kinds (种类) of bags.
( )4. For boys, you can buy socks for only five dollars each.
( )5. You can buy a dictionary at Huaxing Clothes Store.
与节点板单面连接的等边角钢轴心受压杆,长细比λ=100,工地高空安装采用焊接,施工条件较差。试问,计算连接时,焊缝强度设计值的折减系数,与下列何项数值最为接近
A.0.63 B.0.675 C.0.765 D.0.90