Some ________are on the bed.
第1题:
Do you have ______ shrimps? ---Here they ______ .
A、any,are
B、some,is
C、any,be
D、some,are
第2题:
I don't need ( )mineral water, but I'd like ( )_tea, thanks.
A. some,any
B. any,any
C. any,some
第3题:
第4题:
A、some, some
B、any ,some
C、some, any
D、any,any
第5题:
A.some / a
B.an / some
C.some / some
第6题:
3、步进电动机单步运行时的动稳定区是?
A.(-π/2+θbe )~(π/2+θbe )
B.(-π,π)
C.θbe
D.(-π+θbe )~(π+θbe)