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【单选题】
以太网使用的介质访问控制方法是__A.
ACSMA/CS
B.
BCDMA
C.
CMAC
D.
DV
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
【简答题】母猪从这次发情征状消失至下次发情征状出现的时期,称 期。
【单选题】An ecosystem is a group ofanimals and plants living in a specific region and interacting with one another and with their physical environment. Ecosystems include physical and chemical components, such...
A.
An ecosystem is a community that includes animals,plants,and microscopic bacteria.
B.
Human activities can do great damage to local ecosystems,so human communities should be cautiously planned.
C.
In managing the ecology of an area,it is important to protect both human interests and the interests of other members of local ecosystems.
D.
People should remember that they are a part of the ecosystems where they live and work.
【简答题】You may also feel _______1______ by the wealth of courses available. My advice is:_____2______ yourself! You should ____3___ new subjects, cultivate new interests, and pursue new passions. Besides, th...
【单选题】Conflict may escalate at “resolve” stage for 4 reasons, which choice is not belong to these 4 reasons?_______
A.
conflicting interests
B.
dispute rights
C.
unique read power
D.
prevent conflict
【单选题】就地热再生技术受施工环境影响很大，要根据天气、气温、风力等调整加热功率和行驶速度，雨后、大风天气不能施工，环境温度不能低于( )。
A.
15℃
B.
10℃
C.
20℃
D.
25℃
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