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【单选题】
In the process of studying how bacteria cause disease, it was found that a rare mutant of a pathogenic strain failed to form a capsule. Which one of the following statements is the most accurate in regard to this unencapsulated mutant strain?A.
It was nonpathogenic primarily because it was easily phagocytized.
B.
It was nonpathogenic primarily because it could not invade tissue.
C.
It was nonpathogenic primarily because it could only grow anaerobically.
D.
It was highly pathogenic because it could secrete larger amounts of exotoxin.
E.
It was highly pathogenic because it could secrete larger amounts of endotoxin.
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皮皮学刷刷变学霸
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【多选题】实现中国梦必须走中国道路,关于走中国道路下列说法正确的是( )。
A.
中国道路,这就是中国特色社会主义道路
B.
无论是封闭僵化的老路,还是改旗易帜的邪路,都是绝路、死路
C.
只有中国特色社会主义道路才能发展中国、稳定中国
D.
我们要增强对中国特色社会主义的道路自信、理论自信、制度自信,坚定不移沿着正确的中国道路奋勇前进
【单选题】下面哪些子网掩码常常用做点到点端口的掩码
A.
255.255.255.192
B.
255.255.255.224
C.
255.255.255.240
D.
255.255.255.252
【单选题】下面哪些子网掩码常常用做点到点端口的掩码
A.
255.255.255.240
B.
255.255.255.192
C.
255.255.255.252
D.
255.255.255.224
【多选题】银行议付时接受（ ）。
A.
Clean B/L
B.
Stale B/L （过期提单）
C.
Order B/L
D.
Receive for shipment B/L
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