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【简答题】
我国工业和民用交流电源电压的有效值为 V,频率为 HZ。这一交流电压简称为 。
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【简答题】Coronaviruses are a whole family of [1]___________ . For the most part, they don’t cause any real clinical illness except the [2] ____________ cold. But you know, from time to time, there’s a rogue c...
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【简答题】EPEC代表( )。A.肠产毒性大肠杆菌 B.肠致病性大肠杆菌 C.肠侵袭性大肠杆菌 D.肠出血性大肠杆菌 E.肠集聚性粘附大肠杆菌 ETEC代表( )。A.肠产毒性大肠杆菌 B.肠致病性大肠杆菌 C.肠侵袭性大肠杆菌 D.肠出血性大肠杆菌 E.肠集聚性粘附大肠杆菌
查看完整题目与答案
【单选题】唐老师准备参加全市幼儿园教师基本技能大赛,因缺乏参赛经验,就去请教经常担任各类大赛评委谢老师,但是被谢老师拒绝。谢老师的做法( )。
A.
不注重同事间团结协作
B.
促进唐老师自我发展
C.
不注重同事的探索创新
D.
维护比赛公正公平
查看完整题目与答案
【单选题】TaqDNA聚合酶是
A.
大肠杆菌DNA聚合酶Ⅰ
B.
大肠杆菌DNA聚合酶Ⅱ
C.
大肠杆菌DNA聚合酶Ⅰ大片段
D.
大肠杆菌DNA聚合酶Ⅲ
E.
水生菌YT1菌株的DNA聚合酶
查看完整题目与答案
【简答题】Complete the following sentences with the words given below. bacteria transmission traction ground amendment format Efforts will be made to accelerate the (1) _____ of laws on animal epidemic pri...
查看完整题目与答案
【单选题】The symptoms of a certain inherited disorder in humans include respiratory problems and, in males, sterility. Which of the following is a reasonable hypothesis for the molecular basis of this disorder...
A.
defective actin molecules in cellular microfilaments
B.
defective dynein molecules in cilia and flagella
C.
abnormal hydrolytic enzymes in the lysosomes
D.
a defective secretory protein
E.
a defective enzyme in the mitochondria
查看完整题目与答案
【单选题】Which of the following describes is false?
A.
Clostridium tetani produces tetanolysin which is responsible for the classical symptoms of tetanus.
B.
Nagler reaction is an identified character of Clostridium perfringens.
C.
Botulinum toxin is the main virulence factor of Clostridium botulinum.
D.
Non-spore-forming anaerobes are usually normal inhabitants of humans and animals.
E.
The tetanus is almost entirely a toxemia and is characterized by tonic contraction of voluntary muscles.
查看完整题目与答案
【单选题】EPEC指的是
A.
痢疾杆菌
B.
产毒性大肠杆菌
C.
志贺样大肠杆菌
D.
肠致病性大肠杆菌
E.
致病性大肠杆菌
查看完整题目与答案
【单选题】以下关于大肠杆菌的叙述中，错误的是 [     ]
A.
大肠杆菌对人类是有利的，它与人类的关系是互利共生
B.
大肠杆菌与真核细胞最关键的区别是无核膜、无成形的细胞核
C.
大肠杆菌属原核生物，其遗传物质是DNA
D.
大肠杆菌、放线菌、酵母菌、蓝藻、衣藻等都是原核生物
查看完整题目与答案
【单选题】唐老师准备参加全是幼儿教师技能大赛,去请教经常担任大赛评委的谢老师,但谢老师总是拒绝。谢老师的做法( )
A.
不注重同事间的团结协作
B.
促进了唐老师的自我发展
C.
不注重同时的探索创新
D.
维护了比赛的公正公平
查看完整题目与答案
相关题目：
【简答题】Coronaviruses are a whole family of [1]___________ . For the most part, they don’t cause any real clinical illness except the [2] ____________ cold. But you know, from time to time, there’s a rogue c...
查看完整题目与答案
【简答题】EPEC代表( )。A.肠产毒性大肠杆菌 B.肠致病性大肠杆菌 C.肠侵袭性大肠杆菌 D.肠出血性大肠杆菌 E.肠集聚性粘附大肠杆菌 ETEC代表( )。A.肠产毒性大肠杆菌 B.肠致病性大肠杆菌 C.肠侵袭性大肠杆菌 D.肠出血性大肠杆菌 E.肠集聚性粘附大肠杆菌
查看完整题目与答案
【单选题】唐老师准备参加全市幼儿园教师基本技能大赛,因缺乏参赛经验,就去请教经常担任各类大赛评委谢老师,但是被谢老师拒绝。谢老师的做法( )。
A.
不注重同事间团结协作
B.
促进唐老师自我发展
C.
不注重同事的探索创新
D.
维护比赛公正公平
查看完整题目与答案
【单选题】TaqDNA聚合酶是
A.
大肠杆菌DNA聚合酶Ⅰ
B.
大肠杆菌DNA聚合酶Ⅱ
C.
大肠杆菌DNA聚合酶Ⅰ大片段
D.
大肠杆菌DNA聚合酶Ⅲ
E.
水生菌YT1菌株的DNA聚合酶
查看完整题目与答案
【简答题】Complete the following sentences with the words given below. bacteria transmission traction ground amendment format Efforts will be made to accelerate the (1) _____ of laws on animal epidemic pri...
查看完整题目与答案
【单选题】The symptoms of a certain inherited disorder in humans include respiratory problems and, in males, sterility. Which of the following is a reasonable hypothesis for the molecular basis of this disorder...
A.
defective actin molecules in cellular microfilaments
B.
defective dynein molecules in cilia and flagella
C.
abnormal hydrolytic enzymes in the lysosomes
D.
a defective secretory protein
E.
a defective enzyme in the mitochondria
查看完整题目与答案
【单选题】Which of the following describes is false?
A.
Clostridium tetani produces tetanolysin which is responsible for the classical symptoms of tetanus.
B.
Nagler reaction is an identified character of Clostridium perfringens.
C.
Botulinum toxin is the main virulence factor of Clostridium botulinum.
D.
Non-spore-forming anaerobes are usually normal inhabitants of humans and animals.
E.
The tetanus is almost entirely a toxemia and is characterized by tonic contraction of voluntary muscles.
查看完整题目与答案
【单选题】EPEC指的是
A.
痢疾杆菌
B.
产毒性大肠杆菌
C.
志贺样大肠杆菌
D.
肠致病性大肠杆菌
E.
致病性大肠杆菌
查看完整题目与答案
【单选题】以下关于大肠杆菌的叙述中，错误的是 [     ]
A.
大肠杆菌对人类是有利的，它与人类的关系是互利共生
B.
大肠杆菌与真核细胞最关键的区别是无核膜、无成形的细胞核
C.
大肠杆菌属原核生物，其遗传物质是DNA
D.
大肠杆菌、放线菌、酵母菌、蓝藻、衣藻等都是原核生物
查看完整题目与答案
【单选题】唐老师准备参加全是幼儿教师技能大赛,去请教经常担任大赛评委的谢老师,但谢老师总是拒绝。谢老师的做法( )
A.
不注重同事间的团结协作
B.
促进了唐老师的自我发展
C.
不注重同时的探索创新
D.
维护了比赛的公正公平
查看完整题目与答案
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