皮皮学，免费搜题
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【单选题】
机体内环境的稳态是指A.
细胞内液理化性质保持不变
B.
细胞外液理化性质保持不变
C.
细胞内液的化学成分相对恒定
D.
细胞外液的化学成分相对恒定
E.
细胞外液的物理、化学因素的动态平衡
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【简答题】All the furniture in the house____(be) made in China.
【单选题】All the furniture in the house ______ to the landlord.
A.
is belonged
B.
belongs
C.
belonging
D.
are belonged
【单选题】All the furniture in my office ____ made in Hong Kong.
A.
is
B.
are
C.
were
D.
had been
【单选题】----I’ve finished cleaning all the furniture in the room. ----I don’t think so. What about ____ on the balcony?
A.
the one
B.
it
C.
that
D.
those
【简答题】防火墙技术大体上可分为网络层防火墙和应用层防火墙两类,常见的代理服务器属于( )防火墙。
【单选题】His agreement to buy our house was ______ on us leaving all the furniture in it.
A.
conductive
B.
conditional
C.
consistent
D.
conscious
【单选题】两个定值电阻 、 并联在电路中,如图甲所示,它们的电流与其两端的电压关系如图乙所示,闭合开关S,则 , 产生的热量之比为
A.
2:1
B.
1:2
C.
4:1
D.
1:4
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