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【单选题】
下列关于SDH技术的叙述中，错误的是( )。
A.
SDH信号最基本的模块信号是STM-1
B.
SDH的帧结构是块状帧
C.
SDH的帧可以分为3个主要区域
D.
SDH仅适用于光纤
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【多选题】下面哪些属于图层样式面板的选项?
A.
光泽
B.
颜色叠加
C.
投影
D.
混合模式
查看完整题目与答案
【单选题】Emerging from the 1980 census is the picture of a nation developing more and more regional competition, as population growth in the Northeast and Midwest reaches a near standstill. This development—an...
A.
enjoyed the lowest net growth of population in history
B.
witnessed a southwestern shift of population
C.
underwent an unparalleled period of population growth
D.
brought to a standstill its pattern of migration since World War Ⅱ
查看完整题目与答案
【判断题】玛雅人创造了美洲古代最杰出的文化和艺术,被人们称为 “美洲的古希腊”。
A.
正确
B.
错误
查看完整题目与答案
【单选题】与mRNA中密码ACG相对应的tRNA反密码子是什么?( )
A.
TGC
B.
GCA
C.
CGU
D.
CGT
查看完整题目与答案
【简答题】第三周上课笔记,请拍照上传,每一页的第一行必须是学号-姓名-第x周第y页共z页(如:1902010135-张晓光-第3周第2页共5页), 说明: x:周数(2020-3-16是第三周星期一) y:页码序号(从1开始编码) z:本次笔记总页码数
查看完整题目与答案
【单选题】男性患者,45岁,因高热,咯大量臭脓痰伴咯血住院。X线胸片诊断:右肺下叶背段肺脓肿,先后应用青霉素,甲硝唑等多种抗生素治疗七个月仍有反复咯痰,咯血,咯血量最大可达500ml,下一步最佳的治疗方案是:
A.
痰及体位引流
B.
痰培养+药敏，选用敏感抗生素
C.
抗感染同时加强止血剂应用
D.
外科手术治疗
E.
气管内滴入药物治疗
查看完整题目与答案
【简答题】As a nation we are becoming more aware of the food we and our children are eating.The recent campaign to improve school dinners by celebrity(名人) chef Jamie Oliver has helped raise awareness of our fas...
查看完整题目与答案
【单选题】If a nation fitting the criteria for the small nation model imposes a 10 percent tariff on imports of autos
A.
the price of autos within the nation will rise by 10 percent.
B.
the price of autos within the nation will rise by more than 10 percent, because of high effective protection.
C.
the price of autos within the nation will rise, but by less than 10 percent because it is a small nation.
D.
the price of autos will not rise because of internal competition.
查看完整题目与答案
【判断题】The Mercantilists argued that t he more gold and silver a nation had, the richer and more powerful it was
A.
正确
B.
错误
查看完整题目与答案
【单选题】与mRNA中密码ACG相应的tRNA反密码是（）。
A.
UGC
B.
TGC
C.
GCA
D.
CGU
E.
CGT
查看完整题目与答案
相关题目：
【多选题】下面哪些属于图层样式面板的选项?
A.
光泽
B.
颜色叠加
C.
投影
D.
混合模式
查看完整题目与答案
【单选题】Emerging from the 1980 census is the picture of a nation developing more and more regional competition, as population growth in the Northeast and Midwest reaches a near standstill. This development—an...
A.
enjoyed the lowest net growth of population in history
B.
witnessed a southwestern shift of population
C.
underwent an unparalleled period of population growth
D.
brought to a standstill its pattern of migration since World War Ⅱ
查看完整题目与答案
【判断题】玛雅人创造了美洲古代最杰出的文化和艺术,被人们称为 “美洲的古希腊”。
A.
正确
B.
错误
查看完整题目与答案
【单选题】与mRNA中密码ACG相对应的tRNA反密码子是什么?( )
A.
TGC
B.
GCA
C.
CGU
D.
CGT
查看完整题目与答案
【简答题】第三周上课笔记,请拍照上传,每一页的第一行必须是学号-姓名-第x周第y页共z页(如:1902010135-张晓光-第3周第2页共5页), 说明: x:周数(2020-3-16是第三周星期一) y:页码序号(从1开始编码) z:本次笔记总页码数
查看完整题目与答案
【单选题】男性患者,45岁,因高热,咯大量臭脓痰伴咯血住院。X线胸片诊断:右肺下叶背段肺脓肿,先后应用青霉素,甲硝唑等多种抗生素治疗七个月仍有反复咯痰,咯血,咯血量最大可达500ml,下一步最佳的治疗方案是:
A.
痰及体位引流
B.
痰培养+药敏，选用敏感抗生素
C.
抗感染同时加强止血剂应用
D.
外科手术治疗
E.
气管内滴入药物治疗
查看完整题目与答案
【简答题】As a nation we are becoming more aware of the food we and our children are eating.The recent campaign to improve school dinners by celebrity(名人) chef Jamie Oliver has helped raise awareness of our fas...
查看完整题目与答案
【单选题】If a nation fitting the criteria for the small nation model imposes a 10 percent tariff on imports of autos
A.
the price of autos within the nation will rise by 10 percent.
B.
the price of autos within the nation will rise by more than 10 percent, because of high effective protection.
C.
the price of autos within the nation will rise, but by less than 10 percent because it is a small nation.
D.
the price of autos will not rise because of internal competition.
查看完整题目与答案
【判断题】The Mercantilists argued that t he more gold and silver a nation had, the richer and more powerful it was
A.
正确
B.
错误
查看完整题目与答案
【单选题】与mRNA中密码ACG相应的tRNA反密码是（）。
A.
UGC
B.
TGC
C.
GCA
D.
CGU
E.
CGT
查看完整题目与答案