MRI诊断直肠癌的主要依据是（）
A．肠梗阻
B．肠壁增厚且可见腔内肿块
C．肠管扩张
D．肠管变细
E．肠道出血
参考答案：B
既可以直接输入文字，又可以从列表中选择输入项的控件是( )。
A) 选项框 B) 文本框C) 组合框 D) 列表框
My parents moved out of their old home sometime last year after they had celebrated their 50th year there.
A．anniversary
B．years old
C．age
D．wedding
