皮皮学,免费搜题
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搜题
【单选题】
心动期中,心室血液充盈主要是由于
A.
心室舒张的抽吸作用
B.
心房收缩的初级泵作用
C.
血液的重力作用
D.
肌肉泵作用
E.
动脉压力作用
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举一反三
【单选题】According to Dialogue A. Mr. Smith is looking for the nearest __________.
A.
hotel
B.
supermarket
C.
post office
D.
bank
【单选题】Accoring to Dialogue A, Mr. Smith is looking for the nearest ______.
A.
hotel
B.
supermarket
C.
post office
D.
bank
【单选题】Mr. Smith is looking for an experienced secretary who is ________ of organising a busy sales office.
A.
capable
B.
able
C.
possible
D.
responsible
【单选题】According to the dialogue, mr. smith is looking for the nearest __________.
A.
hotel
B.
supermarket
C.
post office
D.
bank
【简答题】阅读理解。 Mrs Smith is going shopping with her son. They are looking for presents for Mr Smith's birthday. They drive to the shop mall on Baker Street. Mrs Smith goes to the Electrical Shop on the third f...
【简答题】Linux系统中root用户的UID为A. 0
【简答题】设计费和交付办法 Design fee and its P _________________ .
【单选题】铝合金钻柱重量/钢钻柱的重量约等于:
A.
1/1
B.
1/2.5
C.
1/5
D.
1/10
【判断题】人生观决定着人生道路的方向,也决定着人们行为选择的价值取向和用什么样的方式对待实际生活。
A.
正确
B.
错误
【单选题】()是光发送机的核心部件,()是光接受接收机的核心部件
A.
光检波器.光源
B.
光源,光检波器
C.
光源,光源
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