皮皮学,免费搜题
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【多选题】
Water of body are from( )。
A.
the liquids we drink
B.
evaporation of water from the skin
C.
the foods we eat
D.
respiration of water vapor from the lungs
E.
recycled water in our bodies
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举一反三
【单选题】在Flash中将元件从库中拖动到舞台上,就成为了该元件的实例,元件与他相应的实例之间的关系是()。
A.
改变元件,则相应的实例一定会改变
B.
改变元件,则相应的实例不一定会改变
C.
改变实例,则相应的元件一定会改变
D.
改变实例,则相应的元件可能会改变
【单选题】Read these comments and decide whether Peter or Rob said each one. "We haven't spent a lot on advertising, but people have already made enquiries."
A.
Peter
B.
Rob
【单选题】关于细菌的鞭毛,描述错误的是
A.
鞭毛是运动器官与致病有关
B.
鞭毛可在细菌中传递遗传物质
C.
鞭毛的化学成分是蛋白质,具有免疫原性
D.
抗原为(H)抗原,用于细菌鉴别
【简答题】水准观测的视线高度为下丝读数。( )
【单选题】题11~12:某现浇钢筋混凝土楼板,板上有作用面为400mm×500mm的局部荷载,并开有550mm×550mm的孔洞,平面位置示意如图3-4所示。 楼板混凝土强度等级为C25,板厚h=120mm,截面有效高度ho=100mm。试问,在局部荷载作用下,该楼板的抗冲切承载力设计值[F1](kN),应与下列何项数值最为接近?
A.
177
B.
220
C.
272
D.
300
【单选题】Read these comments and decide whether Peter or Rob said each one. "My earnings have dropped, but my health has improved. I feel great!"
A.
Peter
B.
Rob
【单选题】Read these comments and decide whether Peter or Rob said each one. I've started learning Italian. It really helps us make friends and bsiness contacts.
A.
Peter
B.
Rob
【判断题】XY—2型钻机立轴行程为550mm。( )
A.
正确
B.
错误
【单选题】为简化转学手续和办事流程,我市从()开始停止使用中小学生纸质转学审批表,全部实现网上核办。
A.
2018年5月
B.
2018年6月
C.
2018年7月
【单选题】Read these comments and decide whether Peter or Rob said each one. "We won't make a profit in the first year, but we hope to make money in the future."
A.
Peter
B.
Rob
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