未遵守无菌操作规程主要是（）
A．内出血
B．外出血
C．腹腔出血
D．颅内出血
E．血尿
参考答案：A
Is there ________ in today's newspaper? [ ]
A. something important
B. anything important
C. important something
D. important anything
对于非出租的房产，以房产原值一次扣除( )的余值为计税依据。
A．10%～20%
B．10%～30%
C．20%～30%
D．30%～40%
