In ___________, the recipient’s address, salutation and the body of the letter begin at the left margin, while the sender’s address, date, complimentary closing, and the signature block are typed near the right margin. A: full block format B: indented forma C: modified block format D: all the above formats

For the body part, the text should begin at the left margin.

Which of the following style takes the following merit and features?It is easy for typing, with all lines flush with the left margin. Enough margin should be left between different parts and different paragraphs of the letter so as to make it easy for reading. A: Indented style B: Block style C: Modified block style D: None of the above

以下几种margin写法不正确的有（） A: margin：20px，10px，0； B: margin：10px，10px； C: margin：20px，auto； D: margin：20pxauto；

中国大学MOOC: He is the world champion and easily beats other rivals by a _______margin.

The block format in the business letter is the simplest format; all of the writing is flush against the margin.

Changes in the cost of goods sold can have a substantial impact on gross profit margin.

下列关于 margin 的写法，正确的是？ A: margin:10px; B: margin:5px 10px; C: margin:5px 10px 0px; D: margin:5px 10px 0px 15px;

设置div元素水平方向居中,可以设置()。 A: margin:0; B: margin:0auto; C: margin:00; D: margin:0000;

中国大学MOOC: The assembly line significantly _________the assembly time per vehicle and _______the profit margin.