皮皮学，免费搜题
登录
搜题
【单选题】
为了避免重金属离子对药物水解反应的催化作用，通常作金属螯合剂的是。A.
NaOH @@ Na2CO3 @@ HCl @@EDTA-2NaNaOH @@ Na2CO3 @@ HCl @@EDTA-2NaNaOH @@ Na2CO3 @@ HCl @@EDTA-2NaNaOH
B.
Na2CO3
C.
HCl
D.
EDTA-2Na
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】布朗先生及夫人台启: 兹定于5 月20 日(星期六) 下午 5 时为小女李玲和唐力先生在广州柏丽酒店举行婚礼,恭请光临。 李华、王玉夫妇谨邀
【单选题】The road is wet, it ______ rained last night.
A.
would have
B.
should have
C.
could have
D.
must have
【单选题】He could fetch / carry either by land or water; would pick up a thimble (5) a ball of cotton, / little Annie should happen to drop them; / take Harry’s dinner to school for him with perfect honesty.
A.
and
B.
but
C.
if
D.
who
E.
which
F.
after
G.
or
H.
though
【单选题】He______ that the police would never allow this sort of thing.
A.
should have known
B.
would have known
C.
could have known
D.
might have known
【单选题】He could fetch / carry either by land or water; would pick up a thimble / a ball of cotton, (6) little Annie should happen to drop them; / take Harry’s dinner to school for him with perfect honesty.
A.
and
B.
but
C.
if
D.
who
E.
which
F.
after
G.
or
H.
though
相关题目：
参考解析：
知识点：
题目纠错 0
发布
