转移瘤的常见CT表现不包括:
A.多发
B.瘤周显著水肿
C.出血、坏死
D.不同形式的强化并存
E.钙化
参考答案:E
下列计算结果等于1的是[ ]
A.(-2)+(-2)
B.(-2)-(-2)
C.-2×(-2)
D.(-2)÷(-2)
—Would you mind ______ here?
—I’m sorry. I won’t do it again.
A. not smoking B. not smoke C. not to smoke