公安消防部队接收理学、工学、法学类毕业生的比例不得低于本单位接收总量的()。
A.50%
B.60%
C.70%
D.80%
参考答案:C
长期鼻饲病人护理应()。
A.每日进行口腔护理
B.插管宜在晚上
C.鼻饲管应每天更换
D.拔管宜在早晨
E.药物研碎溶解后灌入
This painting is so valuable that it is rather difficult to calculate _______ its price would be if the museum _______ to sell it.
A.how much; would want
B.what; wanted
C.what; wants
D.how much; wants