皮皮学，免费搜题
登录
搜题
【多选题】
以太网协议使用物理地址旨在实现哪两个目标?A.
在第 2 层唯一地标识设备
B.
让位于不同网络中的设备能够通信
C.
区分第 2 层帧和第 3 层分组
D.
建立优先系统以确定哪台设备先传输
E.
让位于同一个网络中的设备能够通信
F.
在不知道远程设备的物理地址的情况下检测它
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】Which is wrong for the description of ABO gene?
A.
The ABO gene is located on chromosome 9q34.
B.
The ABO gene is fairly large, consisting of night exons spread over 18 kb.
C.
The open reading frame of the protein is located primarily in exons 6 and 7.
D.
ABO expression is also regulated by the H gene, which is responsible for the synthesis of H antigen substrate, the precursor of A and B antigens.
【简答题】温室外气温超过()时，单纯的自然通风或强制通风满足不了温室生产的要求。 A15℃ B20℃ C30℃ D35℃
【单选题】有如下程序段：inti=1;while(1){i++;if(i==30)break;if(i%3==0)cout<<'*';}执行这个程序段后输出字符*的个数是
A.
10
B.
8
C.
9
D.
30
【单选题】Which of the following statements is closest in the meaning to the underlined sentence above?
A.
Kindness and violence can change the world.
B.
Kindness and violence can affect one's behavior.
C.
Kindness and violence can reproduce themselves.
D.
Kindness and violence can shape one's character.
【单选题】Which test is not included in the routine test for ABO system?
A.
red cell grouping or forward type
B.
serum grouping
C.
coombs
D.
reverse type
相关题目：
参考解析：
知识点：
题目纠错 0
发布
