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【单选题】
I don’t believe that Tom will cheat in the exam. He is an honest boy, _______ he?A.
isn't
B.
is
C.
does
D.
doesn't
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举一反三
【单选题】Chaucer was a master of the heroic couplet which consists of two rhyming lines in iambic pentameter. Iambic pentameter means_______.
A.
the line has 6 feet, and an unstressed syllable is followed by a stressed syllable
B.
the line has 6 feet, and a stressed syllable is followed by an unstressed syllable
C.
the l in e has 5 feet, and an unstressed syllable is followed by a stressed syllable
D.
the line has 5 feet, and a stressed syllable is followed by an unstressed syllable
【单选题】假定五对等位基因自由组合。则杂交组合AaBBCcDDEe×AaBbCCddEe产生的子代中，有一对等位基因杂合、四对等位基因纯合的个体所占的比率是 [ ]
A.
1/32
B.
1/16
C.
1/8
D.
1/4
【简答题】无论是乳牙还是恒牙都可发生融合牙,最常见的是____________。
【判断题】DCS系统的结构是一个分布式系统。其逻辑结构为圆周结构。按系统结构进行垂直分解，各级既相互独立又相互联系。每一级又水平分解成若干子集。通常包括现场监测站、现场控制站、操作员站、工程师站、上位机和通信网络等部分。
A.
正确
B.
错误
【简答题】计算机网络系统的逻辑结构包括[填空(1)]和[填空(2)]两部分。A. 通信子网B. 资源子网
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