皮皮学，免费搜题
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【单选题】
晶体和非晶体的主要区别是( )A.
晶体中原子的有序排列
B.
晶体中的原子依靠结合
C.
晶体具有各向异性
D.
晶体具有简单晶格
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皮皮学刷刷变学霸
举一反三
【简答题】----How long has Sam been skating? ------He for five hours. A have been skating B has been skating C was skating D has been skated
【多选题】下列哪项属于II型变态反应的特点
A.
抗原抗体复合物存在于细胞膜上
B.
介导的抗体是IgG和IgM
C.
具有明显的个体差异和遗传趋向
D.
有补体.吞噬细胞.MK细胞参与
E.
后果是靶细胞破坏
【单选题】Sam has been appointed ________ manager of the engineering department to take ________ place of George.(2012·重庆)
A.
/；/
B.
the；/
C.
the；the
D.
/；the
【单选题】Tom is late. What ________ to him?
A.
should have happened
B.
must have happened
C.
can have happened
D.
would have happened
【单选题】JSP的全称是()
A.
Java Servlet Port
B.
Java Server Paper
C.
Java Server Pages
D.
Java Soft Page
【简答题】JSP的全称是( )。
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