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【单选题】
请为支撑某阳台的悬臂梁设计一个支座
A.
固定铰支座
B.
固定端支座
C.
可动铰支座
D.
定向支撑
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举一反三
【单选题】In many countries, ownership of a registered trademark can only be acknowledged after the mark has gone uncontested for a certain long period of time.
A.
Y
B.
N
C.
NG
【单选题】若采取手术治疗,必须是
A.
交通静脉试验阳性
B.
深静脉通畅试验阳性
C.
交通静脉试验阴性
D.
深静脉通畅试验阴性
E.
腰交感神经阻滞试验阴性
【单选题】若采取手术治疗,必须是
A.
交通静脉试验阳性。
B.
深静脉通畅试验阳性。
C.
交通静脉试验阴性。
D.
深静脉通常试验阴性。
E.
腰交感神经阻滞试验阴性。
【单选题】In many countries in the world
A.
medical school degree is not enough for a medical license.
B.
further exams are necessary only when physicians want to become experts.
C.
a licensed physician can practice medicine only within his province.
D.
only staff members can admit patients to the hospital.
【判断题】维生素B 2 极易溶于水,酸性溶液中对热稳定,在碱性溶液中易于被分解破坏,游离型对紫外光高度敏感。
A.
正确
B.
错误
【单选题】In many countries in the world ,breakfast is a snack____a meal,but the traditional English breakfast is a full meal [     ]
A.
rather than
B.
more than
C.
other than
D.
less than
【判断题】维生素B2极易溶于水,酸性溶液中对热稳定,在碱性溶液中易于被分解破坏,游离型对紫外光高度敏感。
A.
正确
B.
错误
【简答题】阅读材料,回答下列问题。 材料一:坐落在广西壮族自治区乐业的大石围天坑群是世界上最大的天坑群。为了揭开其神秘面纱,中外科考队于2010年10月15日开始对它进行科考活动。 材料二:重庆地形图和2005年酸雨的时空分布和变化统计数据。 (1)天坑是一种分布在喀斯特地区的特殊地质景观。调查发现地下河为天坑'之母',天坑主要是地下水对_____(岩石名称)的溶蚀作用造成的。 (2)图2为乐业地区的各月平...
【单选题】What does it mean for a student to ask questions in class in many countries except America?
A.
It may mean that the teacher is a good teacher.
B.
It may mean that the student is thoughtful.
C.
It may mean that the student is uninformed and that he is implying that the teacher has been unclear.
D.
It may mean that the student considers the teacher to be ineffective.
【单选题】若采取手术治疗,必须是
A.
交通静脉试验阳性
B.
深静脉通畅试验阳性
C.
交通静脉试验阴性
D.
深静脉通畅试验阴性
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