background:url(2、png),url(1、jpg),url(3、png),url(4、jpg);},表示哪张图片处在最上层() A: 2、png B: 1、jpg C: 3、png D: 4、jpg

Bitterness ______ the man who had made the world laugh. () A: fed on B: fed with C: fed up D: fed<br/>for

中国城市北京上海广州西安兰州＜／body＞(67) A: 2 B: 3 C: 5 D: 6

background: url(2、png),url(1、jpg),url(3、png),url(4、jpg);},表示哪张图片处在最上层（）。

如图，直线l与直线m平行，∠1=67°，∠2=25°，则∠3=______．

Don’t feed the fish again. I ____ them just now. A: have fed B: fed C: was feed D: has fed

In 2012,U.S.core inflation was 2.1 percent. This inflation rate A: is lower than the inflation rate the Fed accepts as creating stable prices. B: is about equal to the inflation rate the Fed accepts as creating stable prices. C: is more than 2 percentage points higher than the inflation rate the Fed accepts as creating stable prices. D: None of the above answers are correct because the Fed has never associated an inflation rate with stable prices.

Have you fed the dog yet?TO____________ fed yet?

3、DHCP协议使用了UDP（ ）端口。 A: 67 B: 56 C: 80 D: 21

png的最优值是（） A: -2 B: -6 C: -45/4 D: -7