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【简答题】
图中的晶体管均处于放大状态。请问( a )所示 晶体管类型是 (__) ,基极电压是 (__) V ,发射极电压 (__) V ,集电极电压 (__) V , ( b )所示 晶体管类型 (__) ,电流放大倍数 β = (__) 。
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【单选题】Have you _____ your things, Bob? The train is leaving at 2:30 this afternoon, so we don’t have too much time.
A.
added up
B.
hidden away
C.
set down
D.
packed up
【单选题】According to the conversation what is the cost for each person in such a luxury room for three days?
A.
￡200.
B.
￡250.
C.
about ￡ 300.
D.
￡ 600.
【简答题】如下相图所示，熔体1冷却析晶的析晶结束点是 。【图片】
【简答题】如下相图所示，熔体1冷却析晶的析晶结束点是 。【图片】
【单选题】look at the pictures,and listen to 3.21-3.22 Match each of the interpretations to the room it applies to. This is obviously a family room.
A.
room 1
B.
room 2
【单选题】—I’d like to book a single room in your hotel. —OK. They’re US$100 each, but a room with a sea view will cost _____ $10.
A.
the other
B.
another
C.
other
D.
others
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