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【简答题】
补全对话。 A. Is this his dictionary? B. It's my dictionary. C. And what's this in English? D. How do you spell it? E. No, it isn't. A: Lily, is this your ruler? B: 1 It's his ruler. A: 2 B: It's a dictionary. A: 3 B: D-I-C-T-I-O-N-A-R-Y. A: 4 B: No, it isn't. 5 1._____ 2._____ 3._____ 4._____ 5._____
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举一反三
【单选题】By the time you arrive in London, we in Europe for two weeks. [ ]
A.
shall stay
B.
have stayed
C.
will have stayed
D.
have been staying
【单选题】We have stayed at this school for .
A.
Two years and half
B.
Two and half a years
C.
Two years and a half
D.
Two and a half year
【单选题】By the time he arrived in Beijing, we _____ there for two days. [ ]
A.
will have stayed
B.
stay
C.
have been staying
D.
had stayed
【多选题】以下说法错误的是（）
A.
用户现有手机、号码和SIM卡可直接接入TD-LTE网络。
B.
使用TD-LTE的终端可以支持国际漫游。
C.
LTE终端插入SIM卡或USIM卡都可以接入LTE网络。
D.
TD-LTE与LTE FDD双模终端具备接入我公司LTE网络的能力。
【单选题】That's the hotel___last year. [ ]
A.
which we stayed
B.
at that we stayed
C.
where we stayed at
D.
where we stayed
【单选题】It _____ we have stayed together for a couple of weeks _____ I found we had a lot in common. [ ]
A.
was until; when
B.
was until; that
C.
wasn't until; when
D.
wasn't until; that
【简答题】酸价(acid value，AV)
【单选题】The hotel _____ during our holidays stands by the seaside.
A.
we stayed at
B.
where we stayed at
C.
we stayed
D.
in that we stayed
【单选题】We have stayed at Shanghai port for a long timeThe fouling on the ship’s hull greatly increases her _____.
A.
power
B.
speed
C.
resistance
D.
thrust force
【简答题】三级放大电路中AV1=AV2=AV2=20 dB，则总的电压增益为_________dB；电路将输入信号放大了_________倍。 a．60 dB b．50 dB c．106 d．3
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