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【单选题】
在网络中,( )传输介质是几乎无限的吞吐量、非常高的抗噪性极好的安全性A.
无线
B.
双绞线
C.
光纤
D.
同轴电缆
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反馈参考答案：
举一反三
【简答题】请大家按照专业兴趣选择课题,题目不限,内容题材可从教材第一章第三、四节里选取,可以是视频、图片、科研论文,大胆表达、描述清楚。到讲台前主讲,其他学生针对课题提问。 演讲后把陈述内容(课件+视频或者网络地址)以压缩包的形式上传作业。
【单选题】Some people, however, think that this is where the danger lies. The television viewers need do nothing. He does not even have use his legs if he has a remote control. He makes no choice and exercises,...
A.
Because TV programs are not interesting
B.
Because TV viewers are totally passive
C.
Because TV prices are very high.
D.
Because TV has both advantages and disadvantages.
【单选题】光圆钢筋是指横载面为圆形,且表面为光滑的钢筋混凝土配筋用钢材,此类钢筋属I级钢筋,钢筋的公称直径范围为( )。
A.
6mm~18mm
B.
8mm~18mm
C.
8mm～20mm
D.
6mm~20mm
【简答题】He was caugh t cheating in the
examination. If he had a tail , he would put it between his legs.
【简答题】某酸碱指示剂的 pK Hln =8.1 ,该指示剂的理论变色范围为( ) 。
【单选题】If he _____ his legs yesterday, he _____ the Summer Palace with us now.
A.
hadn ’ t hurt, would be visiting
B.
hadn ’ t hurt, would have visited
C.
didn ’ t hurt, would have visited
D.
didn ’ t hurt, would visit
【单选题】If he________hurt his legs yesterday，he________visit the Great Wall with us now.
A.
hadn’t；wouldn’t
B.
didn’t；wouldn’t
C.
hadn’t；were to
D.
hadn’t；would
【简答题】Questions 27 and 28. Choose TWO letters, A-E. 一个空填写一个选项,比如27&28答案为AB,在第一个空填写A, 第二个空填写B。 Which TWO things surprised the students about the traffic-light system for nutritional labels? A its widespread ...
【单选题】光圆钢筋是指横载面为圆形，且表面为光滑的钢筋混凝土配筋用钢材，此类钢筋属Ⅰ级钢筋，钢筋的公称直径范围为( )。
A.
6mm~18mm
B.
8mm~18mm
C.
8mm～20mm
D.
6mm~20mm
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