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【单选题】
支贺菌引起中毒性痢疾的主要致病物质是A.
痉挛毒素
B.
肠毒素
C.
溶血毒素
D.
内毒素
E.
支贺毒素
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反馈参考答案：
举一反三
【单选题】Cable television had developed technology that allowed them to add more programming to cable service in ______.
A.
In the early 1990s
B.
In the late 1970s
C.
In the early 1950s
D.
In the early 1940s
【单选题】Access to cable and satellite television, and the Internet helps people obtain information in a much more impressive way.
A.
Y
B.
N
C.
NG
【简答题】男衬衫翻领和底领缝合时,将底领面和夹里 ____ 相叠,中间夹 ____ , ____ 眼刀 ____ ,将底领 ____ 边缉线。
【单选题】What happens after cable television has moved into cities?
A.
All classrooms use cable television.
B.
City people can see extra programs.
C.
The charge of cable is much lowered.
D.
TV signals can be received more easily.
【单选题】Cable television companies must pay increased charges by the networks for the programs the cable companies carry. As a result, the price of cable television rises. Thus
A.
the demand curve for cable television service shifts rightward.
B.
the demand curve for cable television service shifts leftward.
C.
there is a movement down the demand curve for cable television to a higher quantity demanded.
D.
there is a movement up the demand curve for cable television to a smaller quantity demanded.
【简答题】将十六进制数 F05D.7A1 转换为二进制数( )。
【简答题】健身气功·马王堆导引术的动作主要取自于《 》。
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