使用File file=new File("c:\\myletter","letter.txt")创建一个文件对象（）

【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。

The letter that Wang Dong wrote is a( ). A: letter of introduction B: cover letter C: letter of thanks D: spam letter

Which kind of letter doesn't belong to business letter? ( ) A: A recommendation letter B: A job application letter C: A personal letter D: An invitation letter

ABCDEFGH Which letter is immediately to the ]eft of the letter three to the right of the letter immediately to the left of the letter four to the left of the letter G

‎Which of the following is NOT a business letter?‏ A: A letter of inquiry B: A letter of recommendation C: A letter of application D: A letter to your boyfriend or girlfriend

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

For letter of invitation, we should use the structure of a/an ____. A: informal letter B: formal letter C: personal letter

______ is mentioned at the beginning of the passage. A: A love letter B: A complaint letter C: A thanks letter D: An invitation letter