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【单选题】
当 N 沟道增强型场效应管的漏极直流电流 I D 从 2mA 变为 3mA 时,它的低频跨导将 _____ 。A.
增大
B.
减小
C.
不变
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举一反三
【单选题】In ______ recent online survey over 60 percent of the 4, 000 participants did not agree with ______ policy to charge so much import tax.
A.
the; a
B.
the; the
C.
a; the
D.
a; a
【简答题】“理万金分文不沾”、“常在河边走，就是不湿鞋”体现的会计职业道德是（ ）。
【简答题】Britain has the highest _____ of road traffic in the world—over 60 cars for every mile of road. [A] density [B] intensity [C] popularity [D] prosperity
【简答题】Britain ahs the highest ________ of road traffic in the world—over 60 cars for every mile of road. A) popularity B) density C) intensity D) prosperity
【简答题】Though he is over 60, my grandfather always looks fresh and______(energy).
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