30分钟效应是指人在觉醒状态下,注意力高度集中于某一事物时,在30分钟内,人能表现出良好的警戒性。30分钟后,人捕捉信号的能力明显下降的现象。
参考答案:对
单词拼写
小题1:Blindness is a very serious ____________(残疾).
小题2:Whenever she went, Brace would like to be ____________(陪伴) by her husband.
小题3:She has a very ____________(狭隘的) mind, for which she often becomes the target to be talked about.
小题4:The scientist ____________(放弃) his research for lack of money.
小题5:They have ____________(分发) the lands among the peasants so far.
小题6:Now ____________(点击) the “yes” button on the screen.
小题7:The leading actress couldn’t appear, and her ____________(替代者) clearly didn’t know the role very well.
小题8:Most torches work on two ____________(电池).
小题9:Only a small ____________(百分比) of the countries are thankful for our assistance.
小题10:He raised some proposals to ____________(改革) the Labor Party.
患者女,58岁,因“洗衣时突发右侧肢体活动障碍40min”来诊。查体:意识清楚,混合性失语,右侧中枢性面舌瘫,右侧偏瘫,右侧偏身痛觉减退。颅脑CT:未见异常。
最可能发生阻塞的血管是()
A.左侧颈内动脉
B.左侧大脑中动脉
C.右侧颈内动脉
D.右侧大脑中动脉
E.基底动脉