皮皮学，免费搜题
登录
搜题
【单选题】
某机字长8位，采用补码形式（其中一位为符号位），则机器数所能表示的范围是______。A.
-127~127
B.
-128~128
C.
-128~127
D.
-257~256
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】听力原文：M: You can put the article on the front page without a photo or print it with the photo on page five. It is up to you really. W: I'd prefer to put it on the front page with a photo. Where do you ...
A.
In a book.
B.
In a newspaper.
C.
In a magazine.
D.
On the notice-board.
【简答题】Hello, I’m Liu Xing. This is a photo of my family. The woman in the photo is my mother, Liu Mei. She is a nurse (护士) and she is very kind (善良). The man is my father, Xia Donghai. He is always happy. B...
【单选题】听力原文：M: You can put the article on the front page without a photo or print it, with the photo, on page five. It is up to you really. W: I'd prefer to put it on the front page with a photo. Where do yo...
A.
In a book.
B.
In a magazine.
C.
In a newspaper.
D.
On the notice-board.
【单选题】Is your photo in the desk? ________．
A.
Yes, I am
B.
No，it is
C.
Yes，it is
D.
No，I’m not
【单选题】降低水分活度可以提高食品稳定性的原因,请选出下列不正确的答案（ ）
A.
降低水分活度可使食品中自由水的比例减小
B.
降低水分活度可抑制食品中的离子反应
C.
降低水分活度可直接杀死食品中的微生物
D.
降低水分活度可以抑制食品中酶的活力
相关题目：
参考解析：
知识点：
题目纠错 0
发布
