利用canvas组件的上下文对象ctx在画布上进行绘制图形时，必须用下面哪一个方法才能把绘制的图形显示出来？ A: ctx.stroke() B: ctx.draw() C: ctx.fillRect() D: ctx.arc()

Four strokes—intake stroke, compression stroke, power stroke and exhaust stroke—complete one working cycle．

词汇题：There are eight basic strokes: dot, horizontal stroke, turning stroke, vertical stroke, hook stroke, right-upward stroke, left-downward stroke and right-downward stroke. 英译汉。注意标点。 汉字有八个基本笔画/八大笔画：____________________

Paragraph 2（） A: Effects of a stroke B: Annual cost of stroke in the US C: Definition and description of a stroke D: Breakthroughs in treatment E: Risk factors of stroke F: Warning signs of a stroke

There are two kinds of stroke, and they are ischemic stroke and hemorrhagic stroke.

The old man keeps his good habit of getting up and going to bed ________. A: on strike B: with a stroke C: on the stroke D: at a stroke

若x’和y’分别是原问题和对偶问题的可行解，则（）。 A: cTx’≤bTy’ B: cTx’≥bTy’ C: cTx’=bTy’ D: cTy’≤bTx’

已知有画布组件：[canvas canvas-id='myCanvas'][/]以下哪句代码可以用于创建该画布的上下文？ A: const ctx=wx.createCanvasContext() B: const ctx=wx.createCanvasContext('canvas') C: const ctx=wx.createCanvasContext('canvasId') D: const ctx=wx.createCanvasContext('canvasId')

() What are the possible consequences of obesity based on the information of this video?? heart disease, respiratory disease, stroke, and certain cancers|insomnia, heart disease, diabetes and stroke|AIDS, diabetes, stroke, and certain cancers|heart disease, diabetes, stroke, and certain cancers

compression stroke