Which of the following form of the English language is thought a free morpheme? A: The form non. B: The form un. C: The form nil. D: The form neg.

获取第一个form元素的方法有哪些？（） A: $（"form"） B: $（"form：eq（0）"） C: $（"form"）.eq（0） D: $（"form：first"）

The function of the Caption attribute of the form is (). A: Ensure the title of the form B: Ensure the name of the form C: Ensure the boundary type of the form D: Ensure the font of the form

The DNA structure exists in three forms: __________________. A: A form B: B form C: C form D: Z form

An abbreviation is a _____________ of a written word or phrase. A: shortened form B: lengthen form C: regular form D: normal form

Absolute technological differences are relative ( ) A: Same Form B: special form C: Development Form D: theoretical form

The lawn was laid out _______ the figure 8. A: in<br/>a form of B: with<br/>a form of C: in<br/>the form of D: with<br/>the form of

商务信函的格式有以下几种:() A: Full-blocked form B: Semi-blocked form C: Full-indented form D: indented form

普惠制原产地证明书最常用的格式是（ ） A: FORM A B: FORM 59A C: FORM APR D: FORM E

以下项是普惠制原产地证书的简称（） A: FORM A B: FORM E C: FORM F D: FORM N