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【单选题】
阴沟肠杆菌的生化反应是
A.
脲酶（-），鸟氨酸(+)，赖氨酸脱羧酶（-），山梨醇发酵(+)
B.
脲酶（-），鸟氨酸(+)，赖氨酸脱羧酶（-），山梨醇发酵（-）
C.
脲酶（-），鸟氨酸（-），赖氨酸脱羧酶（-），山梨醇发酵(+)
D.
脲酶（-），鸟氨酸(+)，赖氨酸脱羧酶(+)，山梨醇发酵(+)
E.
脲酶(+)，鸟氨酸(+)，赖氨酸脱羧酶(+)，山梨醇发酵（-）
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参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】A．轮状病毒B．产毒性大肠杆菌C．致病性大肠杆菌D．侵袭性大肠杆菌E．白色念珠菌 通过引起肠粘膜炎症性病变致泻，排粘液脓血便，伴周身中毒症状
A.
A．
B.
B．
C.
C．
D.
D．
E.
E．
【单选题】In department stores and closets all over the world, they are waiting. Their outward appearance seems rather appealing because they come in a variety of styles, textures, and colors. But they are ulti...
A.
see through the very nature of fashion myths
B.
boycott the products of the fashion industry
C.
go to a podiatrist regularly for advice
D.
avoid following fashion too closely
【单选题】In department stores and closets all over the world, they are waiting. Their outward appearance seems rather appealing because they come in a variety of styles, textures, and colors. But they are ulti...
A.
The multi-functional use of high heels.
B.
Their attempt to show off their status.
C.
The rich variety of high heel styles.
D.
Their wish to improve their appearance.