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【判断题】
()用检验棒校正丝杠螺母副平行度时，为消除检验棒在各支承中的安装误差，可将检验棒转过180°后再测另一次取其平均值。A.
正确
B.
错误
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举一反三
【单选题】We can infer from the fourth paragraph that______.
A.
enhancement evolution is technically impossible
B.
parents have the final say on children's genome change
C.
parents and children usually have different designs for the future
D.
enhancement evolution may cause moral problems
【单选题】The collapse of manners in Britain can be ascribed to______.
A.
natural evolution of human beings
B.
the dominance of single-parent families
C.
the absence of education on social manners
D.
lack of harsh penalties on offenders
【单选题】The tone of the author of the passage in describing theories of co-evolution can best be described as one of
A.
appreciation of the theory's ability to explain the disappearance of certain carbohydrate-rich plant species
B.
admiration for the theory's refutation of the seed-disbursal theory of the disappearance of the carbohydrate-rich plant species
C.
skepticism toward the theory's ability to account for the evolution of trade relations between agriculturalists and foragers
D.
annoyance at the theory's failure to account for such phenomenon as the success of the sago palm
E.
concern that the theory may be insufficient to discredit the Headland Hypothesis
【单选题】王某,女,44岁。有风湿性心脏病、心力衰竭病史。平素受凉感冒后易发生咳嗽、呼吸困难、乏力症状,自服“螺内酯、氢氯噻嗪,卡托普利、地高辛、美托洛尔”等药物。针对上述病情变化,下列处理措施中__错误__的是( )
A.
端坐位
B.
高流量给氧
C.
硝酸甘油静脉泵入
D.
呋塞米静脉注射
E.
CPR
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