皮皮学,免费搜题
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搜题
【单选题】
下列那一方法不属于根据分子大小和形态对酶进行分离纯化()
A.
超滤
B.
分子筛
C.
透析
D.
离子交换色谱
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知识点:
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举一反三
【单选题】肾上腺素对血管作用的叙述,错误的是
A.
皮肤、黏膜血管收缩强烈
B.
肾血管扩张
C.
微弱收缩脑和肺血管
D.
骨骼肌血管扩张
E.
舒张冠状血管
【单选题】肾上腺素对血管作用的叙述,错误的是
A.
皮肤、粘膜血管收缩强烈
B.
微弱收缩脑和肺血管
C.
肾血管扩张
D.
骨骼肌血管扩张
E.
舒张冠状血管
【单选题】肾上腺素对血管作用的叙述,错误的是
A.
皮肤、粘膜血管收缩强
B.
肾血管扩张
C.
骨骼肌血管扩张
D.
舒张冠状血管
【单选题】集合 的区间表示
A.
(-2,3)
B.
[-2,3)
C.
(-2,3]
D.
[-2,3]
【单选题】Why couldn' t the man get the woman on the phone?
A.
Because she was answering the phone.
B.
Because she was typing a report in the office.
C.
Because she was busy reading a report in the office.
D.
Because she was talking with Mr.Davis.
【单选题】集合 的区间表示
A.
(-2,3)
B.
[-2,3)
C.
(-2,3]
D.
[-2,3]
【简答题】阅读理解。 A gentle breeze blew through Jennifer's hair. The golden red sun was setting. She was on the beach, looking up at the fiery (火红的) ball. She was amazed by its color, deep red in the middle, softl...
【单选题】It was a quarter past nine as Marie hurried into the office building where she was going to work. Her bus moved slowly along through【C1】______morning traffic, making her a few minutes late for her ver...
A.
light
B.
heavy
C.
strong
D.
serious
【多选题】下列有关项目式组织的说法,正确的有()
A.
项目式组织也称工作队组织形式,是当有工程项目时,在社会上新招人员组成的项目组织
B.
所有项目组织成员在项目建设期间,中断与原部门组织的领导与被领导关系
C.
项目式组织形式,项目经理权利集中
D.
各类人员来自不同部门,缺乏合作经验
E.
项目管理人员长期离开原单位,容易产生临时观念和不满情绪
【单选题】What does the student mean when she says this?
A.
She was asking whether she should delay the scholarship.
B.
She was asking about how much she could get from this scholarship.
C.
She was asking whether she succeeded in getting the scholarship or not.
D.
She was asking whether her friend got the scholarship or not.
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