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【简答题】
Friends bring us happiness and hope in our lives. But the ability t make friends changes from person to person.To some people, making friends is easy,and to others it'svery difficult. Making friends is a skill, and the firstt hing is to know how to get along with others. If you have trouble in making friends,may be I can tell you how to do it. *Realize your own good points. You have skills and talents that others will like. *Believe that you are a good person and have something nice to share with others. *Be humorous. Learn to laugh at yourself and your weakness. Remember to smile to others. *Respect the others. Everyone has his own idea. Learn how to listen to others' ideas without trying to make them accept yours. *Be kind.If you are kind to others,they will usually be kind to you.There are hundreds of little things you can do to show kindness. 0pen the door for someone. Wave to a friend and so on. * Don't complain. Learn to accept what you can't change, and work hard to change what you can. No one is willing to hear your complaining all the time. *Never give up.Even if you are faced with some closed-minded people,never give up.And try to find someone who will understand you.
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【单选题】● 关于 802.11 标准 CSMA/CA 协议,下列论述中错误的是 (34) 。 (34)
A.
CSMA/CA 协议采用冲突避免的方法
B.
CSMA/CA 协议可以采用载波检测方法发现信道空闲
C.
CSMA/CA 协议可以采用能量检测方法发现信道空闲
D.
CSMA/CA 协议采用冲突检测的方法
【判断题】土中孔隙体积与土的颗粒重量之比称为孔隙比。()
A.
正确
B.
错误
【判断题】孔隙比为土中孔隙体积与土的固体颗粒体积之比。
A.
正确
B.
错误
【单选题】孔隙比为土中孔隙体积与( )之比
A.
土的体积
B.
水的体积
C.
空气的体积
D.
土的固体颗粒体积
【判断题】土中孔隙体积与土的总体积之比称为土的孔隙比。
A.
正确
B.
错误
【单选题】土中的孔隙体积与( )之比为孔隙比
A.
总体积
B.
水的体积
C.
土中气体的体积
D.
土粒体积
【判断题】饱和度定义为土中孔隙水的体积与土中孔隙体积之比
A.
正确
B.
错误
【多选题】初创时期中国电视剧的优点有()。
A.
培养了我国第一批电视剧创作人才
B.
对电视剧的情节结构、场面调度、画面构图和镜头运用等方面进行了大胆探索
C.
弘扬了健康、积极、向上的气息
D.
多种类型电视剧如儿童电视剧、电视诗剧、电视报道剧等都有初步发展
E.
强调了“文艺为政治服务”的方针,舞台“假定性”强
【单选题】土中孔隙体积与土的总体积之比称为()。
A.
孔隙率
B.
孔隙比
C.
空隙率
D.
孔隙度
【单选题】关于 802.11 标准 CSMA/CA 协议,下列论述中错误的是______。
A.
CSMA/CA 协议采用冲突避免的方法
B.
CSMA/CA 协议可以采用载波检测方法发现信道空闲
C.
CSMA/CA 协议可以采用能量检测方法发现信道空闲
D.
CSMA/CA 协议采用冲突检测的方法
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