皮皮学，免费搜题
登录
搜题
【单选题】
Gram positive cells have aA.
second outer membrane that helps to retain the crystal violet stain
B.
multiple layer of peptidoglycan that helps to retain the crystal violet stain
C.
thick capsule that traps the crystal violet stain
D.
periplasmic space that traps the crystal violet
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Look! ______ ducks are coming here.
A.
Hundred of
B.
Hundreds of
C.
Three hundreds
D.
Three hundreds of
【单选题】On the chairs , who had come here for this job interview.
A.
did three graduates sit
B.
sat three graduates
C.
three graduates sat
D.
sitting three graduates
【简答题】Writing down a brief introduction and your feeling to a famous human landscape.
【简答题】A ________ , also called summary, is a brief restatement of the key points of a piece of writing.
【简答题】Give brief answers to the questions. 2.What are the writing features of Charles Dickens?
【单选题】_______ three nice _______ of my family.
A.
Here are; photos
B.
These are; photo
C.
Here is; photo
D.
This is; photoes
【判断题】Brief daily contact with a writing project results in more creativity and productivity than long intermittent writing bouts do.
A.
正确
B.
错误
【简答题】A ____________ also called summary, is a brief restatement of the key points of a piece of writing.
相关题目：