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【判断题】
系统的解决路径过于麻烦,不如灵光一现解决得快。()
A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】在系泊试验时,主机换向试验应在最低稳定转速下进行,从换向操纵开始到主机开始向相反方向运转为止,所需时间不超过( )s。
A.
8
B.
10
C.
15
D.
20
【简答题】试述水肿之的临床表现及主要病机。
【单选题】患者,男, 74 岁。30年吸烟史,每天2包。近半年患者咳嗽咳痰加重,伴气短。查体胸廓桶状胸,叩诊呈过清音,FEV1/FVC=60%, 吸入支气管扩张剂后FEV1/FVC=61%。患者可能的诊断是
A.
支气管哮喘
B.
慢性支气管炎
C.
肺气肿
D.
COPD
【单选题】若需对8位二进制数中的某位取反,则可采用的运算是 。
A.
该位与1 进行逻辑乘
B.
该位与0 进行逻辑或
C.
该位与1 进行异或
D.
该位与0 进行异或
【单选题】Why does the lecture refer to a "nanotechnology revolution"?
A.
Many scientists do not agree about the safety of nanotechnology.
B.
Many new products have been created because of nanotechnology.
C.
Nanotechnology is part of the computer revolution.
D.
The iPod Nano has created a revolution in how people listen to music.
【单选题】郁金香属于()。
A.
二年生花卉
B.
宿根花卉
C.
球根花卉
D.
温室花卉
【单选题】(74~75题共用题干) 男,58岁,患有慢性支气管炎并阻塞性肺气肿。近日因感冒咳嗽喘息加重,并有低热,就诊前2小时突然喘息加剧,出大汗,用解痉止喘药均不能缓解。体检:喘憋状态,口唇发绀,左肺叩诊过清音,右肺鼓音,右肺呼吸音消失,左侧呼吸音增粗并有少量干啰音。 74.右肺的病情变化可能是发生了()。
A.
肺不张
B.
肺气肿
C.
胸腔积液
D.
胸膜增厚
E.
气胸
【单选题】若需对8位二进制数中的某位取反,则可采用的运算是 。
A.
该位与 0 异或
B.
该位与 1 异或
C.
该位与 0 逻辑乘
D.
该位与 1 逻辑乘
【判断题】不论春植球根花卉或秋植球根花卉,其花芽分化多在气温较高的时节进行。
A.
正确
B.
错误
【多选题】Which of the following statements about nanotechnology are correct?
A.
The great attraction of working on the nanotechnology lies in new & unusual physical & chemical properties that are not found in the same materials at micro & macroscopic dimensions.
B.
Nanotechnology may be able to create many new materials & devices with a vast range of applications, such as in nanomedicine, nanoelectronics, biomaterials energy production, & consumer products.
C.
The usage of nanosystems, nanomaterials, nano-devices, etc. permeates all aspects of society.
D.
Nanotechnology is the manipulation of matter with at least one dimension sized from between 1 & 100 nm.
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