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【多选题】
前药的特征有
A.
原药与载体一般以共价键连接
B.
前药只在体内水解形成原药,为可逆性或生物可逆性药物
C.
前药活性或活性低于原药
D.
前药在体内产生原药的速率应是快速动力学过程,以保障原药在作用部位有足够的药物浓度,并应尽量减低前药的直接代谢
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参考答案:
举一反三
【简答题】Tom has grown up and ______(强烈反对被当成小孩子).
【判断题】一次悬挑脚手架高度不宜超过20m,悬挑高度超过20m的专项方案应进行专家论证。()
A.
正确
B.
错误
【单选题】In ten years,all those youngsters will become__________.A.grown-upsB.growns-up###
A.
In ten years,all those youngsters will become__________. A.grown-ups
B.
growns-up
C.
growns-ups
D.
grown-up
【判断题】保险凭证是一种简化的保险单,其背书是空白的,没有保险条款。所以保险凭证与海运保险单不具有同等的法律效力。
A.
正确
B.
错误
【单选题】Accidents do not happen if we are
A.
careful
B.
careless
C.
grown-up
【单选题】____ mostly in small town, I'd only recently fallen in love with cities.
A.
Grown up
B.
Being grown up
C.
Growing up
D.
H aving grown up
【单选题】The second paragraph of the passage suggests ______.
A.
one should leave his grown-up children to live on their own as early as possible
B.
too much concern for grown-up children may likely make you a burden to them
C.
nowadays grown-up children are usually indifferent to their parents and grandparents
D.
modem grown-up children want to live a different life because time has changed
【单选题】一次悬挑脚手架高度不宜超过( )m。
A.
20
B.
24
C.
30
D.
36
【判断题】一次悬挑脚手架高度不宜超过24m。
A.
正确
B.
错误
【判断题】一次悬挑脚手架高度不宜超过24m。
A.
正确
B.
错误
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