The life of Albert Einstein is a model in many ways (31) both natural and political scientists.
First of all, he always employed the scientific method of (32) truth from facts. He firmly believed (33) he put it, that "there is nothing incomprehensible (34) the universe", and through painstaking work explained many of the phenomena thought to be "incomprehensible" in his day. Einstein was also never afraid to (35) mistakes when facts (36) his theories wrong.
Second, Einstein’s contributions showed the great importance of theoretical work to scientific effort. (37) he himself rarely worked in laboratories, the concepts he developed led (38) many of the scientific advances (39) have shaped modem technology.
Third, Einstein believed very deeply that scientists must (40) a moral and social consciousness. (41) this way, he provided inspiration for a whole gen
Certainly no creature in the sea is
odder than the common sea cucumber. All living creatures, especially human
beings, have their peculiarities, but everything about the little sea cucumber
seems unusual. What else can be said about it is: a bizarre animal that, among
other eccentricities, eats mud, feeds almost continuously day and night but can
live without eating for long periods, and can be poisonous but is considered
supremely edible by gourmets. For some fifty million years, despite all its eccentricities, the sea cucumber has subsisted on its diet of mud. It is adaptable enough to live attached to rocks by its tubefeet, under rocks in shallow water, or on the surface of mud flats. Common in cool water on both Atlantic and Pacific shores, it has the ability to suck up mud or sand and digest whatever nutrients are A. it helps them to digest their food. B. it helps them to protect themselves from danger. C. it makes it easier for them to move through the mud, D. it makes them attractive to fish. [判断题]《铁路技术管理规程》(铁总科技[2014]172号)(高速铁路部分)规定,列车在区间需组织旅客疏散时,必须扣停邻线列车;司机在接到列车调度员已扣停邻线列车的口头指示后,通知有关作业人员办理。
A.正确 B.错误 [单选题]整侧站台门无法打开或关闭需重新使用PSL操作时,需先打回()位并停顿3秒后,再重新打开或关闭站台门
A.门打开 B.门关闭 C.禁止 D.手动关 [判断题]《中国铁路总公司办公厅关于规范处置违反铁路乘车管理规定行为的通知》(铁总办客[2018]118号)规定,违反铁路乘车管理规定行为人被交站处理、 强制下车或自称患病予以下车救治的,列车长开具 «客运记录» 同时移交先行处置中收集的证据,下车地车站同步办理站车交接,并配合铁路公安机关落实相关工作措施,治疗费用由违法行为人个人负担。
A.正确 B.错误 [多选题]从事接触网运行检修的人员,每连年进行一次身体检查,对( )应及时调整
A.患有高血压 B.心脏病 C.癫痫病 D.高血脂 我来回答: 提交
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