【单选题】【消耗次数：1】
The key ___ on the table when I leave.
①
was left
②
will be left
③
is left
④
has been left
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相关题目
【单选题】
7.The key ___ on the table when I leave.
①
was left
②
will be left
③
is left
④
has been left
【单选题】
—Have you searched the sitting room for your key?
—No. It was in the study________ I remember I left it.
①
which
②
where
③
that
④
as
【单选题】
He left in such a hurry that I _______ had time to thank him.
①
almost
②
even
③
hardly
④
nearly
【单选题】
Before I left on the trip,I [填空]hard and got very fit.
①
had trained
②
trained
③
train
④
training
【单选题】
Visitor: How do I get to the bank? I have no knowledge of this area. Policeman: Cross the road and turn left at the other side. __________ for about 100 meters and the bank is to your left.
①
Continue your walking
②
Keep going straight
③
Go along
④
Go on walking
【单选题】
Visitor: How do I get to the bank? I have no knowledge of this area. Policeman: Cross the road and turn left at the other side. __________ for about 100 meters and the bank is to your left.
①
Continue your walking
②
Keep going straight
③
Go along
④
Go on walking
【单选题】
He has left his book here on___, so that you can read it.
①
purpose
②
intention
③
aim
④
meaning
随机题目
【单选题】
关于脑脊液循环的主要功能，以下哪项不正确（）
①
脑脊液的支持、缓冲与保护作用
②
在神经系统的胚胎发育过程中，脑脊液分泌和压力缓和上升对中枢神经系统的成型和扩展十分重要
③
接受大脑皮质、丘脑、丘脑基底核和黑质的传入冲动，并与红核、网状结构形成兰溪，维持肌张力和肌肉协调
④
脑脊液参与脑室内、脑和脊髓表面物质交换、新陈代谢以及生理功能调节
⑤
以上都对
【单选题】
高颅压脑积水的常见病因，以下哪项不正确（）
①
脑脊液循环通路发育异常：如中脑导水管先天性狭窄、闭锁、分叉及导水管周围的神经胶质细胞增生。
②
炎症性粘连：脑脊液循环通路的炎症粘连，部位多见于导水管、枕大池、脑底部及环池，也可发生于大脑半球凸面，部分患者可伴有局部囊肿，引起相应压迫症状。
③
颅内占位性病变：位于脑脊液循环通路及其邻近部位的肿瘤，都可以导致脑积水。
④
脑动脉硬化、颅内动脉狭窄、心源性栓子
⑤
脑脊液产生过多：脑室内脉络丛乳头状瘤或增生，可过多分泌脑脊液而其吸收功能并未增加，发生脑积水。此外，维生素A缺乏，胎儿期毒素作用也可导致脑脊液的分泌与吸收失去平衡，从而造成脑积水。
【单选题】
根据高颅压脑积水的归类依据，脑积水病变区域脑脊液压力在（）以上。
①
50mmH2O
②
70mmH2O
③
100mmH2O
④
180mmH2O
⑤
330mmH2O
【单选题】
患儿因脑积水颅内压增高入院后，突然出现剧烈头痛、呕吐后昏迷，此时最有效的措施是：
①
紧急行气管切开术
②
急诊行开颅减压术
③
快速输20%甘露醇溶液
④
紧急行气管插管
⑤
立即行侧脑室穿刺外引流术