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【多选题】
关于外毒素特征正确的是A.
本质是蛋白质
B.
有组织选择性
C.
毒性强
D.
对组织无选择性
E.
本质是脂多糖
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皮皮学刷刷变学霸
举一反三
【简答题】This library is the (modern) ______ building I have ever visited in this city.
【单选题】It is reported that the worst pedestrian jam in this city occurs around this crossroads.
A.
confession
B.
congestion
C.
digestion
D.
exhaustion
【简答题】四种引起细菌基因重组的方式是______、______、______和______。
【单选题】Never before in greater need of modern public transport than it is today.has this city been (正确）this city has beenwas this citythis city was
A.
has this city been
B.
this city has been
C.
was this city
D.
this city was
【单选题】It is reported that the worst pedestrian jam in this city occurs around this crossroads.
A.
confession
B.
congestion
C.
digesfon
D.
exhaustion
【简答题】Are there any places ofinterest in this city?
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