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【单选题】
8.88代表一个()类IP地址。
A.
B.
C.
D.
D
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举一反三
【单选题】聚合酶链式反应是一种
A.
体外特异转录RNA的过程
B.
体外翻译蛋白质的过程
C.
体外特异转录DNA的过程
D.
体外特异复制DNA的过程
E.
体内特异复制DNA的过程
【判断题】( )中型宴会无论将餐桌摆放成哪种形状,均应注意突出台,一般为一主、两副组成。
A.
正确
B.
错误
【单选题】There are signs restaurants are becoming more popular with families.
A.
that
B.
which
C.
in which
D.
whose
【单选题】聚合酶链式反应是一种
A.
体外特异转录RNA的过程
B.
体外特异转录DNA的过程
C.
体外特异复制DNA的过程
D.
体内特异复制DNA的过程
【判断题】基本共基放大电路中,三极管的发射结正偏,集电结反偏,电路才能工作在放大区。A. 对 B. 错
A.
正确
B.
错误
【简答题】But there are signs that the area is getting more tourism than it can handle.
【单选题】There are signs ______ restaurants are becoming more popular with families.
A.
that
B.
whose
C.
which
D.
in which
【单选题】There are signs ( ) they are cheating us.
A.
that
B.
which
C.
where
D.
on which
【简答题】But there are signs that the area is getting more tourists than it can handle.
【判断题】反射结正偏,集电结反偏,三极管才有放大功能
A.
正确
B.
错误
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