最新常见时态的标志词(重点现在完成时) (1)

常见时态的标志词(重点现在完成时)

★一般现在时：do / does (被动：is / am / are done)

often, usually, always, sometimes, never, seldom, every week/day/year/month..., once a week, on Sundays

★一般过去时：did (被动：was / were done)

ago, yesterday, the day before yesterday, last week/year/night/month..., in 1989, just now, at the age of five, one day, ago, long ago, once upon a time, then(那时), on that day, in the past

★现在进行时：is / am /are doing (被动：is / am / are being done)

now, at this time, these days, Listen! Look! at this moment/time

★过去进行时：was / were doing (被动：was / were being done)

at this time yesterday，at that time或"when + 一般过去时从句", at 1:00 last night

★现在完成时：has / have done (被动：has / have been done)

recently (the recent years), already, before, just(刚刚，just now用一般过去时), ever(曾经), never, (as) yet(迄今为止), lately, so far, for+时段, since+时间点(since引导的句子用一般过去时时态), (up to) these days/weeks/months/years, ever since(从那时到现在), till/until now, up to now/present, since then, once, twice, three/four times..., on several occasions, during/in/over the (last/past) (few) days/weeks/months/years, in the past, It’s the first / second / ... / last time that…

★过去完成时：had done (被动：had been done)

before, by the end of last year/term/month...(与将来完成时比较)

★一般将来时：will do (被动：will be done)

tomorrow, next day/week/month/year..., soon, in a few minutes, by..., the day after tomorrow, in the future

★过去将来时：would do (被动：would be done)

the next day/morning/year..., the following month/week...

★将来完成时：will have done (被动：will have been done)

by the end of next week/term/month...(与过去完成时比较)

人工智能技术及其发展趋势

1.关于专用人工智能与通用人工智能，下列表述不当的是（）。（10.0分）

A.人工智能的近期进展主要集中在专用智能领域

B.专用人工智能形成了人工智能领域的单点突破，在局部智能水平的单项测试中可以超越人类智能

C.通用人工智能可处理视觉、听觉、判断、推理、学习、思考、规划、设计等各类问题

D.真正意义上完备的人工智能系统应该是一个专用的智能系统

我的答案：D√答对

2.（）是通过建立人工神经网络，用层次化机制来表示客观世界，并解释所获取的知识，例如图像、声音和文本。（10.0分）

A.深度学习

B.机器学习

C.人机交互

D.智能芯片

我的答案：A√答对

3.下列选项中，不属于生物特征识别技术的是（）。（10.0分）

A.步态识别

B.声纹识别

C.文本识别

D.虹膜识别