【单选题】若绘图环境为context,以下选项中,实现基于路径的矩形框绘制的是? A. context.rect(50,50,50,50); B. context.fillRect(50,50,50,50); C. context.strokeRect(50,50,50,50); D. context.rect(50,50,50,50); context.stroke();

Context in SFL refers to . A: Context of language B: Context of culture C: Context of society D: Context of situation

According to Numan, context can be classified into . A: linguistic context and co-text. B: nonlinguistic context and extra-linguistic context. C: situational context and cultural context D: linguistic context and nonlinguistic context.

利用fillRect方法可以绘制矩形的路径。

How to narrow the following topic “The Effects of Deforestation on Gorillas in Africa ” A: Geographical context B: Historical context C: Biological context D: Social context

3.in which context will Gordon Brown’s announcement come true? A: in the context of a much bigger national disarmament B: in the context of a much bigger international disarmament C: in the context of a much bigger local disarmament D: in the context of a much bigger regional disarmament

Context clues only include general context, definitions, synonyms and antonyms.

Context

canvas中规定了2D context，不支持3D context (WebGL)。

绘制一个填充色为半透明红色的矩形，不能实现这一效果的代码是？ A: context.globalAlpha=0.2;context.fillStyle='red';context.fillRect(0,0,100,50); B: context.globalAlpha=0.2;context.fillStyle='rgb(255,0,0)';context.fillRect(0,0,100,50); C: context.fillStyle='rgba(255,0,0,0.2)';context.rect(0,0,100,50);context.fill(); D: context.fillStyle='rgb(255,0,0)';context.rect(0,0,100,50);context.fill();