以下程序的功能是：把当前目录下的顺序文件smtextl.txt的内容读入内存，并在文

In all the ______, I like the one ______ I am carrying a basket of ______ best. [ ]

A. photos; in which; tomatoes

B. photos; which; tomatoes

C. photoes; in that; tomatos

D. photoes; that; tomatoes

— I wonder if the work can be completed in a month.

— The work is progressing________schedule and should be completed within three weeks.   [ ]

A. in advance  

B. ahead of 

C. in sight  

D. in front of

3，5-Br2-PADAP分光光度法测定水中银含量时，水样中相对于银含量20倍的铬（Ⅲ）对测定无干扰。

商业银行与非银行金融机构在业务上的重要区别在于能否发行金融债券。( )

电子式卤素检漏仪电源是（）伏特。

A.220

B.36

C.12

D.3