AD289系列和AD288一样,都只支持黑白扫描。
参考答案:错
—My son, who is now studying at a university, uses more than 3,000 yuan a month.
—Well, tell him to be economical. After all, ________.[ ]
A. money doesn't grow on trees
B. the morning sun never lasts a day
C. light come, light go
D. penny wise, pound foolish
Don’t talk such things ___ you don't understand.
A.that
B.which
C.what
D.as