下面能正确显示水分子表达式的选项为（ ）。 A: H<sub>2</sub>O B: H<small>2</small>O C: H<small><sup>2</sup></small>O D: H<small><sub>2</sub></small>O

HTML5 没有删除哪个元素？ A: <strike> B: <center> C: <small> D: <big>

下列不属于内联元素的是（） A: <b> B: <i> C: <small> D: <h1>

The ukulele is a instrument, which resembles a guitar.: Hawaiian musical small|Hawaiian small musical|small Hawaiian musical|small musical Hawaiian

Being a small woman, she gave birth to a __________ baby. (extremely small; very small)

Small welding current is generally recommened for arc cold welding of castings due to （ ）. A: Small melting depth B: Small dilution C: Small heat input D: Small welding stress

There __________ (be) no small jobs, only small people.

They have() to cover both of them. A: too small an umbrella B: very small an umbrella C: a too small umbrella D: a small umbrella

In front of the farmhouse ______. A: does a small boy sit B: did a small boy sit C: sit a small boy D: sat a small boy

比较化合物乙酸（Ⅰ）、乙醇（Ⅱ）、苯酚（Ⅲ）、碳酸（Ⅳ）的酸性大小（ ） A: Ⅰ>Ⅲ>Ⅱ>Ⅳ B: Ⅰ>Ⅳ>Ⅲ>Ⅱ C: Ⅰ>Ⅱ>Ⅳ>Ⅲ D: Ⅰ>Ⅲ>Ⅳ>Ⅱ