题目内容
(请给出正确答案)
[单选题]
The price of the catalogue is_______against your first order.
A.removable
B.replaceable
C.rechargeable
D.refundable
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A.removable
B.replaceable
C.rechargeable
D.refundable
A.wc-l/etc/passwd
B.wc-l
C.cat/etc/passwd|wc-l
D.cat/etc/passwd>wc-l
A.$$
B.$@
C.$#
D.$*
A.$$
B.$@
C.$#
D.$*
A.$ $
B.$@
C.$ #
D.$ *