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【单选题】
已知圆C的方程为 x 2 +(y-b) 2 =16 与直线 l: 4x+3y-5=0 相切 : (2)圆的方程是?
A.
B.
C.
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举一反三
【单选题】Either you or she _______ good at drawing.
A.
is
B.
are
C.
be
D.
being
【单选题】设 的概率分布如下表所示,当 与 相互独立时, 0 1 2 -1 1/15 1/5 1 1/5 3/10
A.
( , )
B.
( , )
C.
( , )
D.
( , )
【单选题】Either she or you do that.
A.
has to
B.
have to
【单选题】对40Gr的说法正确的是( )
A.
渗碳钢
B.
调质钢
C.
工具钢
D.
高速钢
【简答题】Either you or she _____ (have) made a wrong decision.
【单选题】对40Gr的说法正确的是( )
A.
特殊性能钢
B.
合金结构钢
C.
合金工具钢
D.
高速钢
【单选题】______ either you or she going to the United States?
A.
Is
B.
Are
C.
Have
D.
Does
【单选题】Either you or she ____________ to the library.
A.
Don ’ t go
B.
go
C.
goes
D.
went
【单选题】Either you or she_____to the library. One of you must be here.
A.
go
B.
going
C.
goes
D.
is go
【单选题】Either you or she ________ to go.
A.
is
B.
are