【单选题】txt ,图片,Word。txt ,图片,Word。txt ,图片,Word。txt ,图片,Word。txt ,图片,Word。txt ,图片,Word。txt ,图片,Word。txt ,图片,Word。txt ,图片,Word。txt ,图片,Word。txt ,图片,Word。txt ,图片,Word。 A. 1 B. txt ,图片，Word。 C. txt ,图片，Word。

—Thereisawrongwordinline_________.—Where?—Inthe________line. A: two;two B: two;second C: second;two D: second;second

Africa is________continent in the world. A: second large B: the second large C: second largest D: the second largest

The Yellow River is theriver in China. A: longest second B: second long C: second longest D: second longer

若要将当前盘目录下的文件A.TXT连接在文件B.TXT后面，应使用的命令为( )。 A: COPY TXT＞＞TXT B: MOVE TXT＞＞TXT C: PATH TXT＞＞TXT D: TYPE TXT＞＞TXT

下列文件名能表示扩展名为“txt”的所有文件的是（）。 A: ？.txt B: *.txt C: ＆.txt D: ％.txt

The unit of Porter is () A: Characters per second B: Bit per second C: Frames per second D: Bytes per second

Many great discoveries were made in ____ the 19th century. A: the second of half B: second of the half C: the half second of D: the second half of

【单选题】His first novel was a failure, _______.. A. his second novel was either B. so was his second novel C. neither was his second novel D. so his second novel was A. his second novel was either B. so was his second novel C. neither was his second novel D. so his second novel was

想要在打开对话框中只显示后缀名为TXT和DOCX文件，那么应设定打开对话框的Filter 的值为（）? TXT|.TXT|DOCX|.DOCX|TXT|.TXT|.DOCX|TXT|DOCX|.TXT|.DOCX