皮皮学,免费搜题
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搜题
【单选题】
判断成人颅内压增高较可靠的依据是
A.
头痛
B.
昏迷
C.
呕吐
D.
视乳头水肿
E.
脑中线块移位2mm
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【简答题】LTE-3G相对于LTE,多了哪个单元____
【单选题】We all went to the zoo yesterday ____Jack. His mother was ill and he had to look after her at home .
A.
except for
B.
besides
C.
beside
D.
except
【简答题】听语段、长对话和问题,选择正确答案。 1. Why will Hank be late for the ? A. He'll meet his mother. B. He'll make a phone call. C. He'll see off someone first. 2. When is the review day? A. Sunday, September 26. B. M...
【简答题】听下面一段材料,回答第1-4题。 1. How was the man going to give his mother flowers? A. To send them to her by himself. B. To order them in the flower shop. C. To post them by post office. 2. How much did the young ...
【判断题】由审美泛化而来的文化状态,被形容为“超美学”
A.
正确
B.
错误
【简答题】某放大器测量电路如图2.5.1所示,已知RL=3kΩ,输入信号 ,当开关S置于“1”时的带负载源电压增益Avs1为20倍,不带负载的源电压增益Avs1∞为30倍;置于“2”时的带负载源电压增益的Avs2为25倍,不带负载时的电压增益Avs2∞为37.5倍。问该放大器的输出电阻Ro和输入电阻Ri各为多少?
【单选题】接地系统中,( )不应放在 车间内,最好离开车间门及人行道5m,不得小于2.5m。
A.
人工接地体
B.
自然接地体
C.
接地装置
D.
接地线
【单选题】CRTS II型板式无砟轨道的限位构造是( )。
A.
侧向挡块
B.
假缝
C.
限位凹槽
D.
圆形凸台
【单选题】The little elephant is afraid to go alone.He always walks ______ his mother.
A.
below
B.
besides
C.
beside
D.
under
【单选题】LTE-3G相对于LTE,多了哪个单元()
A.
NodeB
B.
RNC
C.
CN
D.
BBU
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