燃烧过程空气量,不得大于空气和蒸汽总量()。
A.50%
B.60%
C.70%
D.40%
参考答案:A
—How would you like your coffee?
—________.
A.It's well done
B.Very nice. Thank you
C.One cup. That's enough
D.The stronger, the better
在进行一日法99mTc-MIBI负荷、静息心肌灌注显像时,第一次显像注药的剂量一般为()。
A.74~148MBq
B.185~259MBq
C.259~370MBq
D.740~925MBq
E.925~1110MBq