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搜题
【单选题】
(Band 4) Limited userA.
Conveys and understands only general meaning in very familiar situations. Frequent breakdowns in communication occur.
B.
Basic competence is limited to familiar situations. Has frequent problems in understanding and expression. Is not able to use complex language.
C.
No real communication is possible except for the most basic information using isolated words or short formulae in familiar situations and to meet immediate needs. Has great difficulty understanding spoken and written English.
D.
Essentially has no ability to use the language beyond possibly a few isolated words.
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】关于葡萄球菌叙述不正确的是( )。
A.
葡萄球菌属是一群革兰阳性球菌
B.
葡萄球菌是最常见的化脓性球菌
C.
分为金黄色葡萄球菌、表皮葡萄球菌和腐生葡萄球菌三种
D.
金黄色葡萄球菌多为致病菌
E.
腐生葡萄球菌多为致病菌