下列有关肾癌影像学诊断的说法错误的是()A．B超常表现为不均质的中低回声实性肿块，但
题型：单项选择题
问题：
下列有关肾癌影像学诊断的说法错误的是()
A．B超常表现为不均质的中低回声实性肿块，但体积小的肾癌有时表现为高回声
B．IVU可见肾盏肾盂出现不规则变形、狭窄、拉长、移位或充盈缺损
C．CT对肾癌的确诊率不高，是目前诊断肾癌最可靠的影像学方法
D．肾错构瘤的脂肪成分表现为强回声，CT扫描呈负值，容易鉴别
E．B超、CT不能确诊的肾癌可作肾动脉造影检查
题型：单项选择题
根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
小题1:．She described all the things she had to do －one was to make her bed－from the moment she woke up until she flew out of the door for work．I suggested she experiment by not making her bed for two weeks．She was shocked, probably thinking I’d been raised by wolves in a forest．小题2: ．
Two weeks later she went into my office beaming．She had left her bed unmade for the first time in 42 years－and nothing bad had happened． 
“And you know w
hat?” she said．”I don’t dry my dishes anymore, either．”
小题3:．One was discovering that she had choices in her life
that she had never seen before．The other was giving herself permission to be less that perfect．This story shows an important principle about managing time: No one can do it all．Each of us has to make choices and accept trade-offs．The problem is, many people choose in ways that put themselves and their health last．They take better care of their houses and cars than they do of themselves．小题4: .
So what is the solution? There’s an easy way．Decide what you want in your life, and put that first．On a daily basis, that should include regular meals, enough sleep and time with your family．Exercise, leisure, friendships and hobbies should also be 
regular aspects of life．小题5:．The choice is yours: whatever makes you feel good about yourself and your life．Take a nap．Take a walk．Take time to play the piano．Stop bringi
ng your briefcase home from the office．Stop keeping your house as clean as your mother kept hers．Fill more of your time with want-to-dos instead of have-to-dos．
A．This woman had made two major breakthroughs．
B．Above all, you needn’t do anything for yourself regularly．
C．They put everyone else’s needs ahead of their own．
D．However, she went along with my idea．E．Most people do not take time to relax themselves．
F．The point is to do something for yourself every day．
G．A patient came to see me about the stress in her life．