皮皮学，免费搜题
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【判断题】
磷壁酸只在 G+细菌的细胞壁上存在,而 LPS 则仅在 G-细胞壁上存在A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】He used to be _____, but now he likes to meet and talk to new people.A. busy B. st
A.
22. He used to be _____, but now he likes to meet and talk to new people. A. busy
B.
strong
C.
tall
D.
shy
【单选题】He used to be _____ shy but now he can talk freely to anyone he meets.
A.
extremely
B.
nearly
C.
actually
D.
briefly
【简答题】You want to write an article for your school newspaper about your friend Liangliang. He used to be overweight and didn’t like to be active. After exercising and going on a diet, he now looks like a di...
【单选题】He used to be _____, but now he likes to meet and talk to new people. [ ]
A.
busy
B.
strong
C.
tall
D.
shy
【简答题】A．He was pleased to get the medal. B．He was very courageous. C．He used to be a firefighter. D．He was accused of causing a fire.
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