皮皮学，免费搜题
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搜题
【单选题】
配离子与外界离子之间相结合的化学键是A.
离子键
B.
极性共价键
C.
非极性共价键
D.
配位键
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Before he came, I'd finished ____ the whole book.
A.
to read
B.
to have read
C.
reading
D.
read
【简答题】While Nick was on the bus reading his newspaper, the man sitting next to him suddenly pushed a large envelope (信封) into his hands. "Here, take this!" the man said, stood up and got off the bus before ...
【简答题】设计一个求解一元二次方程ax 2 +bx+c=0的算法，并画出程序框图表示.
【单选题】SECTION A CONVERSATIONS Directions: In this section you will hear several conversations. Listen to the conversations carefully and then answer the questions that follow. 听力原文：F: Doctor Smith, today I'...
A.
He came in for a routine physical checkup.
B.
He is going on vacation with his family.
C.
He feels in perfect health.
D.
He is only 36 years old.
【多选题】小企业自行开发无形资产发生的支出,作为无形资产确认条件的包括( )。
A.
完成该无形资产以使其能够使用或出售在技术上具有可行性
B.
具有完成该无形资产并使用或出售的意图
C.
归属于该无形资产开发阶段的支出能够可靠计量
D.
有足够的技术、财务资源和其他资源支持，以完成该无形资产的开发，并有能力使用或出售该无形资产
【单选题】已知各变量的类型说明如下:int i=8,k,a,b;unsigned long w=5;double x=1.42,y=5.2;则以下符合C语言语法的表达式是
A.
a+=a-=(b=4)*(a=3)
B.
a=a*3=2
C.
x%(-3)
D.
y=float(i)
相关题目：
【单选题】Before he came, I'd finished ____ the whole book.
A.
to read
B.
to have read
C.
reading
D.
read