金属硫蛋白合成的主要部位是()
A.肌肉
B.肾
C.胸腺
D.肝
E.骨骼
参考答案:D
解析:金属硫蛋白合成的主要部位在肝脏。
I don’t think that John would __________ his friends if they were in trouble.
A.abandon
B.accumulate
C.appoint
D.involve
一般认为,早期显影是指显影剂引人体内后几小时以内的显影()
A.1h
B.2h
C.4h
D.6h
E.8h