()都是系统软件。
A.DOS和MIS
B.WPS和UNIX
C.UNIX和Word
D.DOS和UNIX
参考答案:D
Lucy is very free. Look, she ______ a model ship. [ ]
A. makes
B. made
C. has made
D. is making
糟腌是将原料放人事先兑制好的香糟汁中浸渍的一种方法。