某全血标本,在室温中放置了4小时才送检,这时可能引起下列何种变化()
A.血钾降低、血糖增高
B.血钾增高、血糖降低
C.两者皆增高
D.两者皆降低
E.对结果无影响
参考答案:B
With a lot of difficult problems ____, the manager felt worried all the time.
A.settled
B.to be settled
C.settling
D.to settle
朱熹认为统治者应根据人的"气质之格"不同,有针对性在运用()措施来改善人们的道德面貌。
A.礼
B.德
C.刑
D.政