皮皮学，免费搜题
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【单选题】
水溶液加入重铬酸钾试液和过氧化氢试液后再加入氯仿振摇,氯仿层显紫堇色的药物是A.
硫酸阿托品
B.
氢溴酸山莨菪碱
C.
盐酸苯海索
D.
硝酸芸香碱
E.
溴新斯的明
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皮皮学刷刷变学霸
举一反三
【简答题】Fill in the blanks with the appropriate sentence. You just write the letter indicating the sentence into the blank(根据对话上下文的意思,选择正确的句子,并将句子序号填入空格内). A) Or maybe investing in something interesting. B) ...
【单选题】With the help of the teachers and classmates, the boy worked hard and finally caught up with his classmates. Now he is _______ all the others.
A.
as a good student as
B.
as a student good as
C.
as good a student as
D.
as good as a student
【单选题】He has been working all morning and he hard.
A.
still works
B.
has still worked
C.
is still working
D.
still worked
【单选题】“Being an honest man, Mr John worked very hard at all the courses he took in the college.” 我们已知,此句话不合逻辑,以下哪两句是正确的修改呢? A. Being an honest man, Mr John never tells a lie to his classmates. B. Being an ...
A.
AC
B.
BD
C.
AD
D.
BC
【单选题】关于生理性黄疸描述错误的是
A.
生后2-3天开始出现黄疸
B.
表现为食欲下降，哭声低弱
C.
一般7-14天自然消退
D.
早产儿可延迟3周消退
E.
血清胆红素浓度＜205.2unol/L
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