皮皮学,免费搜题
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【单选题】
【B14】______
A.
equally
B.
officially
C.
sharply
D.
proudly
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【简答题】决定物质性质的重要因素是物质的结构。请回答下列问题: (1)已知A和B为第三周期元素,其原子的第一至第四电离能如下表所示: 电离能/kJ·mol -1 I 1 I 2 I 3 I 4 A 578 1817 2745 11578 B 738 1451 7733 10540 A通常显 价,A的电负性 B的电负性(填“>”、“<”或“=”)。 (2)已知:波长为300 nm的紫外光的光子,光子的能量与光...
【单选题】Water is vital _______every living thing ______, without which the world would be a dead place. [     ]
A.
to keeping; alive
B.
to keep; living
C.
to keeping; lively
D.
to keep; alive
【单选题】A Special Clock Every living thing has what scientists call a biological clock that controls behavior. The biological clock_____(51) plants when to form. flowers and when the flowers should open. It t...
A.
says
B.
asks
C.
tells
D.
talks
【简答题】函数中的局部变量的值在函数调用结束后不消失而保留原则,即其占用的存储单元不释放,那么这个变量为静态局部变量。用关键字( )进行声明。
【判断题】当希望函数中的局部变量的值在函数调用后不消失,而保留原值,即其占用的存储单元不释放,这时应该指定该局部变量为“静态局部变量”,用关键字static进行声明。
A.
正确
B.
错误
【简答题】Every living thing on this planet is part of ______, for no organism lives entirely on its own.
【单选题】A Biological Clock Every living thing has whatscientists call a biological clock that controls behavior. The biological clock tells__ (51) when to form. flowers and when the flowers should open. It te...
A.
scientists
B.
humans
C.
plants
D.
animals
【单选题】以下护理胸痛患者的措施中哪项不妥
A.
适当安慰,消除其紧张情绪
B.
指导患者取患侧卧位
C.
用宽胶布于患者吸气末紧贴在患侧胸部
D.
按医嘱给小剂量的镇静剂和止痛剂
E.
根据不同病因采取相应护理措施
【单选题】A Special Clock Every living thing has what scientists call a biological clock that controls behavior. The biological clock(51)plants when to form. flowers and when the flowers should open. It tells i...
A.
says
B.
asks
C.
tells
D.
talks
【单选题】以下护理胸痛患者的措施中哪项不妥
A.
.转移病人注意力
B.
.指导患者取患侧卧位
C.
.用宽胶布于患者吸气末紧贴在患侧胸部
D.
.按医嘱给小剂量的镇静剂和止痛剂
E.
.根据不同病因采取相应护理措施
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