肿瘤中小G蛋白Ras最常见的突变可导致（）。

A:Ras的表达减少 B:Ras的失活 C:Ras与GDP解离障碍 D:Ras自身的GTP酶活性降低 E:Ras激活ERK通路的能力降低

My most ______ moment was trying to introduce a person whose name I couldn’t remember. Every time this kind of thing happens, I feel ______.

A: embarrassing; embarrassing B: embarrassing; embarrassed C: embarrassed; embarrassed D: embarrassed; embarrassing

Why did Mr Smith look ________? ----Because he has asked some_______ questions.

A: embarrassed , embarrassed B: embarrassing , embarrassed C: embarrassed , embarrassing D: embarrassing , embarrassing

It is ________.

A:eraser B:a my eraser C:an eraser D:my an eraser

It is ______.

A:eraser B:an my eraser C:my eraser D:my an eraser

That was such an____question that it made me____,not knowing how to answer.

A:embarrasing,embarrassed B: embarrassed, embarrassed C: embarrasing, embarrasing D: embarrassed,embarrasing

The questions the reporter asked sometimes were　　　and they made me　　　.

A: embarrassed; embarrassing B: embarrassing; embarrassed C: embarrassed; embarrassed D: embarrassing; embarrassing

Madame Michel found herself in an position, and therefore she felt rather_________. .

A: embarrassing; embarrassed B: embarrassed; embarrassed C: embarrassing; embarrassing D: embarrassed; embarrassing

27.That was such an____question that it made me____,not knowing how to answer.

A:embarrasing,embarrassed B: embarrassed, embarrassed C: embarrasing, embarrasing D: embarrassed,embarrasing

That they referred to that ______ thing made her very _____.

A: embarrassed; embarrassed B: embarrassing; embarrassed C: embarrassed; embarrassing D: embarrassing; embarrassing